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Hussein Malla, Associated Press
Members of the Lebanese Red Cross and civil defense search for residents among the debris of a collapsed building, in Beirut, Lebanon, on Sunday Jan. 15, 2012. Lebanese security officials say an old five-story residential building in Beirut has collapsed. At least seven injured an 15-year-old girl was killed when the building suddenly disintegrated in Beirut's Ashrafieh district.

BEIRUT — Lebanese security officials say the death toll from the collapse of a five-story residential building in Beirut has risen to 18, most of them foreigners.

The officials say search operations are continuing Monday and no survivors are expected to be pulled from the rubble.

They say the building collapse Sunday night killed four Lebanese, including a 15-year-old girl, as well as 14 foreigners, most of them Sudanese.

The officials spoke on condition of anonymity in line with regulations.

Building collapses in Lebanon are rare. The officials said it was not clear what led to Sunday's collapse. Possible causes were cracks in the old building made worse by heavy rain or the effects of several nearby construction sites.