THE LOS ANGELES COUNTY grand jury is meeting to review evidence against police who were captured on videotape kicking and clubbing an unarmed man. Authorities predicted indictments before the end of the week. . . . A MAN with a history of attempted suicide died of cyanide poisoning Monday, hours after claiming he took a Sudafed cold capsule, but Seattle police were reluctant to add him to the list of victims of a capsule-tainting killer, the FBI said. . . . FIVE TOUR BUSES were damaged early Tuesday in explosions in two Athens suburbs, and a newspaper said someone claiming to represent the November 17 terrorist group claimed responsibility.