World News Update, what you need to know

Death row Australians Myuran Sukumaran and Andrew Chan and their barrister will discuss plans to appeal their latest failed legal challenge.

ELSEWHERE:

PRAGUE - An apparently unstable armed man has burst into a restaurant in an eastern Czech town, killing eight people before killing himself, officials say.

LONDON - Three teenage girls from London feared to have run off to join the Islamic State group are believed to have crossed from Turkey into Syria, British police say.

OXNARD - At least 28 people have been injured when a Los Angeles-bound commuter train smashed into a truck stuck on the tracks, but there were no reported fatalities, authorities said.

WARSAW - A Polish court on Wednesday is set to hear a US extradition request for Oscar-winning film director Roman Polanski over a 1977 conviction in a child sex case.

BEIRUT - Jihadists from the Islamic State group have kidnapped at least 90 Assyrian Christians in northeast Syria, after overrunning two villages, a monitor says.

BAGHDAD - A series of bombings in Iraq, including twin blasts in a busy street in a Baghdad suburb, have killed at least 31 people and wounded dozens, officials say.

SEOUL, Feb 24 AFP - A South Korean teenager who went missing last month has joined the Islamic State group and is receiving training, South Korea's spy agency says. (SYRIA KOREA)