Israeli soldiers shot and killed a Palestinian on the Gaza-Egypt border early Wednesday, local eyewitnesses said.

Ahmed Barhoum, 22, was hit in the head by a bullet and died immediately. Army source said it did not know of the incident.

Army officials said gunshots and anti-tank grenades were fired at an army post near the city of Rafah, and that soldiers returned fire, but army was not aware of any casualties on the Palestinian side.

Local sources said that Barhoum, a Hamas activist, was guarding the edge of the Rafah refugee camp.

Residents reported hearing an explosion followed by gunshots before finding Barhoum’s body.