World News Update, what you need to know

Greece has asked for a fresh two-year rescue deal with the European Union in a final roll of the dice just hours before its current bailout expires and it misses a critical IMF payment.

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MEDAN, Indonesia - At least 116 people have been killed after an Indonesian air force transport plane crashed into a major city shortly after take-off and exploded in a fireball, officials said.

TUNIS - The gunman who killed 38 tourists in Tunisia received weapons training from jihadists in Libya, a top official has said, as the president admitted security services were unprepared for the attack.

LOS ANGELES - A US judge has granted Australian military adviser Dr Adam Cobb $US1 million ($A1.30 million) bail, despite prosecutors warning he has a predatory tendency to troll for girls online and is a danger to the community.

LOS ANGELES - A woman struck with amnesia who believes she could be Australian has appeared on US TV in the hope family or friends will identify her.

ROTTERDAM, Netherlands - Dutch prosecutors say they have identified many "persons of interest" in their probe into the shooting down of flight MH17 over Ukraine, but no definite suspects.

VIENNA - Iran and major powers have effectively given themselves until July 7 to reach a nuclear deal, the US said as a midnight deadline approached in talks in Vienna with no agreement in sight.

LIVINGSTON, New Jersey - Tough-talking New Jersey governor Chris Christie has finally taken his presidential ambitions to the American people, promising to "tell it like it is" as he battles 13 other Republicans for their party's 2016 nomination.