Xinhua world news summary at 1530 GMT, April 1

ISLAMABAD -- Four people were killed when the roof of a house collapsed in Chaman district of Pakistan's southwestern Balochistan province, police said on Saturday.

The incident took place early Saturday morning in Chaman's Bypass Road area, killing four members of a family including children, police officials in the area told local media. (Pakistan-Accident-Deaths)

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ADEN, Yemen -- Unidentif