Palestinian medical sources in the Khan Younis city in southern Gaza Strip said that Osama Alastal, 23, was killed Sunday morning.

Witnesses said that Alastal was among a group of resistance fighters of the Alqassam brigades, the armed wing of the ruling Hamas party, to the east of Qarrara town, on Israel-Gaza border lines.

Meanwhile, local Palestinian sources said that an Israeli army undercover unit swept early on Sunday morning into the Alnahda neighborhood, to the east of Rafah city in southern Gaza Strip.

Witnesses said that the Israeli force opened fire towards residential houses, with no injuries reported.