Xinhua Middle East news summary at 2200 GMT, Feb. 20

GAZA -- At least 12 Palestinians were killed on Tuesday during an Israeli attack on a residential square in the Nuseirat refugee camp in the central Gaza Strip, according to Palestinian medical sources.

The medical sources told Xinhua that "the Palestinian civil defense crews transported 12 bodies of Palestinians and dozens of wounded after targeting several homes in the Nuseirat camp, which was crowded with dis