It was the second such shooting by Israeli forces in three days near the same aid site in southern Gaza, which is part of a contentious new Israeli and American-backed initiative.

Twenty-seven people were killed in southern Gaza on Tuesday as Israeli troops opened fire near a US-backed aid centre, with the military saying the incident was under investigation.United Nations chief Antonio Guterres decried the deaths of Palestinians seeking food aid as "unacceptable" and the UN rights chief condemned attacks on civilians as "a war crime",