World News Update, what you need to know

Armed militants have stormed a university in volatile northwestern Pakistan, killing at least 20 people and wounding dozens, just over a year after the massacre of 134 students at a school in the area, officials say.

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VIRGINIA BEACH, Virginia - A US World War II veteran will travel to Australia to reunite with his wartime girlfriend after more than 70 years.

CAPE CANAVERAL, Florida - The solar system may host a ninth planet that is about 10 times bigger than Earth and orbiting far beyond Neptune, according to new research.

WASHINGTON - Last year's global average temperature was the hottest ever by the widest margin on record, two US government agencies say, adding to pressure for deep greenhouse gas emissions cuts scientists say are needed to arrest global warming.

LONDON - Zimbabwe's Constitutional Court has outlawed child marriage after two former child brides took the government to court in a ground-breaking case to challenge a practice that is rife in the southern African nation.

DAVOS - Pope Francis has told members of the world's wealthy political and economic elite they should not be deaf to the cry of the poor and must consider their own role in creating inequality.