TRIPOLI, Libya — The International Criminal Court's chief prosecutor sought arrest warrants Monday for Libyan leader Moammar Gadhafi, his son and the country's intelligence chief for authorizing the killing of civilians in a crackdown on anti-government rebels.
Gadhafi's government denied the allegations.
The call for the inquest was the first such action in the Netherlands-based court linked to the Arab uprisings. It opened another potential front against Gadhafi's regime even as the autocratic leader stands firm against widening NATO airstrikes and rebels with growing international backing.
The international warrants could further isolate Gadhafi and his inner circle and potentially complicate the options for a negotiated settlement. But they also could harden Gadhafi's resolve to stand and fight, since the legal action has been seen in Libya as giving NATO more justification to go after him.
Because the United Nations Security Council ordered the ICC investigation, U.N. member states would be obliged to arrest him if he ventured into their territory.
Prosecutor Luis Moreno-Ocampo said he was seeking warrants against Gadhafi, his son, Seif al-Islam Gadhafi, and intelligence chief Abdullah al-Sanoussi for ordering, planning and participating in illegal attacks. The younger Gadhafi has become one of the public faces of the regime through frequent interviews with the media.
Moreno-Ocampo said he had evidence that Gadhafi's forces attacked civilians in their homes, shot at demonstrators with live ammunition, shelled funeral processions and deployed snipers to kill people leaving mosques.
Judges must now evaluate the evidence before deciding whether to confirm the charges and issue international arrest warrants.
Still, an earlier case where the ICC did step in at the request of the U.N. didn't result in the desired arrest. Although Sudanese President Omar al-Bashir has been indicted for crimes including genocide in the Darfur region of Sudan, at least three countries have let him visit without detaining him.
Asked why he has not launched similar investigations into other Arab uprisings, Moreno-Ocampo said that no such action had been requested by the Security Council, as it was in the case of Libya.
Regimes in Egypt and Tunisia — which eventually were overthrown — were accused of human rights violations in their efforts to end street demonstrations. Similar charges have been leveled at the rulers of Bahrain, Yemen and Syria.
In London on Monday, a British defense minister, Nick Harvey, told legislators he believed it was likely the court would seek to charge Syrian President Bashar Assad over his government's violent crackdown on protests.
He said the court was "highly likely to arrive at a similar conclusion" in the case of Assad as it had with Gadhafi. Britain and other countries have called on the Assad regime to halt its violence.
Libyan spokesman Moussa Ibrahim told reporters in Tripoli that the regime would pay no attention to arrest warrants that could be issued against Gadhafi or the others, saying the prosecutor relied on faulty media reports and "reached incoherent conclusions."
In the eastern city of Benghazi, headquarters for the opposition movement, rebel spokesman Abdel-Hafidh Ghoga said the rebels welcomed the ICC case.
"It is these three individuals who are primarily running the campaign for genocide of the Libyan people and the criminal activities that have taken place so far," he said at a news conference.
He said, however, that the opposition would like to see Gadhafi tried first in Libya, then before the world body.
Under Gadhafi's more than four decades in power, the regime "has committed many crimes against the Libyan people, and the Libyan people want to see him punished for that," Ghoga said.
In Brussels, NATO said Moreno-Ocampo's announcement was "further proof that the international isolation of the Gadhafi regime is growing every day."
NATO spokeswoman Oana Lungescu added: "It is hard to imagine that a genuine transition in Libya can take place while those responsible for widespread and systematic attacks against the civilian population remain in power."
She said NATO's mission to protect civilians in Libya would remain unchanged.
Members of the NATO coalition also welcomed Moreno-Ocampo's decision to seek warrants.
British Defense Secretary Liam Fox said NATO and its allies were prepared for a long campaign. He told lawmakers Monday that contingency plans were in place for various scenarios — including many months of operations — but said he hoped Gadhafi would bow to international pressure and quit.
Fox also confirmed NATO was discussing what additional facilities could be targeted under the United Nations Security Council resolutions authorizing the campaign.
Libyan TV said NATO airstrikes hit Tajoura, a neighborhood in Tripoli, and Zawiya, about 30 miles (50 kilometers) west of the capital. State TV said a number of people were killed and wounded. It did not elaborate.
At least three explosions believed caused by NATO strikes shook windows around the Libyan capital. It was not immediately clear what was targeted, but a government spokesman said he believed the jets were aiming for Gadhafi's compound.
The rebel forces appeared to have expanded their hold on Misrata, the only major opposition stronghold in western Libya. Most of the rebel forces are concentrated in the east.
A video posted Sunday on the Libyan rebels' Facebook page showed more than 200 SUVs and rebel vehicles at the southeastern gate of Misrata. That would give the rebels tighter control of the access points into the city.
Abdel Salam, a rebel militia fighter, told The Associated Press that opposition forces were able to advance on the location after NATO bombings in recent days. Reporters have had a difficult time reaching the city, and it was not possible to verify the claims independently.
Misrata has been the focus of an international aid effort to help thousands of civilians caught in the fighting. Some 1,000 people have been killed in the two-month siege of the rebel-held enclave by Gadhafi's forces.
Moreno-Ocampo said the targeting of opposition figures is continuing in areas under Gadhafi's control.
"Gadhafi's forces prepare lists with names of alleged dissidents. They are being arrested, put into prisons in Tripoli, tortured and made to disappear," he said.
"These are not just crimes against Libyans, they are crimes against humanity as a whole," he added.
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Rights activists welcomed Moreno-Ocampo's move.
"The ICC prosecutor's request acts as a warning bell to others that serious crimes will not go unpunished," said Richard Dicker, international justice director at Human Rights Watch. "It's a message to those responsible for grave abuses that they will be held to account for their actions."
Corder reported from The Hague, Netherlands. Associated Press writers Michelle Faul in Benghazi, Libya; and Sarah El Deeb and Maggie Michael in Cairo contributed to this report.