World News Update, what you need to know

Al Jazeera reporter Peter Greste will return home to Australia after being released from an Egyptian jail following a 400-day ordeal.

ELSEWHERE:

WASHINGTON - US President Barack Obama is proposing an ambitious six-year, $US478 billion ($A616 billion) public works program of highway, bridge and transit upgrades.

DAMASCUS - A bomb placed on a bus ferrying Lebanese pilgrims around Shi'ite holy sites in Damascus has exploded, killing at least six people.

SANAA - Yemen's powerful Houthi rebels have given the country's political factions three days to fill the political void resulting from sudden resignations of the president and the government.

COLOMBO - Sri Lanka's new government has declared James Packer unwelcome in the country after the gaming mogul pulled out of building a luxury resort following a ban on new casinos.

LONDON - Britain's senior diplomat in Bali has been suspended after a report of an affair with a drugs prisoner.