World News Update, what you need to know

Twenty-one people have died after a train derailed in Moscow's packed metro during rush hour in the worst accident ever to hit one of the world's busiest subways.

ELSEWHERE

SAN DIEGO - An American teenager may have beaten Australian Ryan Campbell's record of being the youngest person to fly solo around the world.

SNIZHNE - An airstrike has demolished an apartment block in eastern Ukraine, killing at least nine civilians.

JERUSALEM - Israel has resumed a punishing air campaign against Gaza after its Palestinian foe Hamas rejected a truce and fired dozens of rockets over the border, killing an Israeli for the first time.

MANILA, July 15 AFP - Tens of thousands of people in the Philippines have hunkered down in evacuation centres while three people have been reported missing as a typhoon pounds its eastern coast amid warnings of giant storm surges and heavy floods.

KHOST - A suicide bomber driving a truck packed with explosives has killed at least 41 people at a busy market in southeastern Afghanistan, the deadliest attack in the war-torn country for months.

STOCKHOLM - A Swedish court is set to consider whether an arrest warrant for WikiLeaks founder Julian Assange should be repealed.