GAZA - At least 21 Palestinians were killed and dozens injured on Tuesday in an Israeli bombardment of displaced persons' tents in the Al-Mawasi area in the west of Rafah city in the southern Gaza Strip, according to Palestinian security and medical sources.

Security sources told Xinhua that Israeli artillery bombed tents for the displaced in the Al-Mawasi area on the seashore west of Rafah.

Al-Mawasi was a humanitarian zone where residents in Gaza used to take refuge in based on the Israeli army's order.

Local medical sources told Xinhua that the Israeli bombing led to the killing of at least 20 people, including women and children, and dozens of injuries.