World News Update, what you need to know

- Ukraine's military says Russia has given its forces an ultimatum to surrender in Crimea or face an all-out assault on the strategic Black Sea peninsula that has been overrun by Kremlin-backed troops.

ELSEWHERE

WASHINGTON - US President Barack Obama has warned that most of the world believes that Russia has violated international law by intervening in Ukraine.

KUNMING, China - Chinese police have captured three suspects over a railway station attack blamed on militant separatists that killed 29 people and injured 143.

SEOUL - North Korea has fired short-range missiles into the sea off its eastern coast for the second time in a week, prompting a warning from South Korea of "reckless provocation".

CAIRO - An Egyptian court has sentenced two policemen to 10 years in prison each for the 2010 killing of a political activist whose slaying was one of the sparks that led to the uprising that toppled Hosni Mubarak the following year.

LONDON - East Timor has failed in its bid to force Australia to return sensitive documents relating to a $40 billion oil and gas treaty.

JAKARTA - A West Australian woman has been sentenced to eight months' jail in Indonesia after police found drugs in her handbag at a burgeoning tourist spot.