On May 13, 1985, police dropped two explosive devices from a police helicopter onto the roof of a house occupied by MOVE. The Philadelphia Fire Department allowed the resulting fire to burn out of control, destroying 61 previously evacuated neighboring homes over two city blocks and leaving 250 people homeless. Six adults and five children were killed in the attack, with one adult and one child surviving. A lawsuit in federal court found that the city used excessive force and violated constitutional protections against unreasonable search and seizure.