Xinhua world news summary at 0130 GMT, Dec. 20

GAZA -- At least 20 Palestinians were killed in Israeli bombings targeting two schools sheltering displaced civilians and a house in eastern Gaza City, Palestinian sources said on Thursday.

Local sources and eyewitnesses reported that Israeli aircraft carried out strikes on the Al-Karama and Sha'ban Al-Rayes schools, which were serving as shelters for displaced civilians, as well as a residential house in the Al