World News Update, what you need to know

Andrew Chan and Myuran Sukumaran are spending precious days with their families as their lawyers ready their final legal manoeuvres.

ELSEWHERE:

LONDON - Freed Australian journalist Peter Greste says he doesn't feel traumatised or angry after spending 400 days in an Egyptian prison but does feel he now has a duty to campaign against injustice and back media freedom.

LOS ANGELES - US President Barack Obama has cited the deadly Sydney siege in a speech to world leaders and officials at a Washington DC summit aimed at countering violent extremism.

ATHENS - Greek Prime Minister Alexis Tspiras has spoken to German Chancellor Angela Merkel for nearly an hour in what a government source said was "a positive climate" aimed at calming the bailout crisis.

PARIS - The leaders of Russia, Ukraine, France and Germany have held four-way talks over the crisis in eastern Ukraine during which breaches of the ceasefire were denounced.

WASHINGTON - Former New York mayor Rudy Giuliani has triggered a firestorm with an unflinching verbal assault on Barack Obama, saying the US president does not "love" America.

LONDON - A teenage British convert to Islam who said he wanted to decapitate a soldier has been convicted of terrorism.