The head of a Gaza City hospital that treated some of those wounded in the bloodshed surrounding an aid convoy said Friday that more than 80% had been struck by gunfire, suggesting there was heavy shooting by Israeli troops.

At least 115 Palestinians were killed and more than 750 others injured Thursday, according to health officials, when witnesses said nearby Israeli troops opened fire as huge crowds raced to pull goods off an aid convoy. Israel said many of the dead were trampled in a stampede that started when desperate Palestinians in Gaza rushed the aid trucks. Israel said its troops fired warning shots after the crowd moved toward them in a threatening way.

Dr. Mohammed Salha, the acting director of Al-Awda Hospital, told The Associated Press that of the 176 wounded brought to the facility, 142 had gunshot wounds and the other 34 showed injuries from a stampede.