The youngest son of Moammar Gadhafi, Saif al-Arab Gadhafi, was killed in a NATO airstrike today, a spokesman for the regime said.
Moammar Gadhafi and his wife were in the house when it was targeted, according to Gadhafi spokesman Mussa Ibrahim.
Three grandchildren were also killed in the strike, Ibrahim said.
The Libyan dictator's late son, Saif al-Arab, 29, was a civilian who had studied in Germany, Ibrahim said.
There was no immediate response from NATO or the White House. The strike came during the alliance's promised stepped up air campaign, amid Gadhafi's refusal to stop the attacks on civilians in Misurata and elsewhere. The despot has made persistent threats for more attacks.