World News Update, what you need to know

Dutch officials have returned to the crash site of flight MH17 in eastern Ukraine where the search for remains and belongings resumed despite sporadic exchanges of fire.

ELSEWHERE:

LONDON - Australian DJ Mel Greig has attacked those who bullied her after 2DayFM's infamous 2012 prank phone call to the hospital treating Kate Middleton and declared "trolling needs to stop".

LONDON - Australian Treasurer Joe Hockey has told European leaders to "lift their eyes" and engage more with Asia or risk being left behind.

PRETORIA - A South African prison official has recommended that star Paralympian Oscar Pistorius clean a Pretoria museum for 16 hours a month as punishment for shooting dead his lover Reeva Steenkamp.

HONG KONG - Dozens of masked men have rushed barricades at Hong Kong's main pro-democracy site, sparking renewed accusations that authorities are using hired thugs to disperse demonstrators.

MONROVIA - Health workers across Liberia have gone on strike to demand danger money to care for the sick at the heart of a raging Ebola epidemic that has already killed dozens of their colleagues.

STOCKHOLM - French economist Jean Tirole has won the Nobel Economics Prize for his analysis of big companies, market power and regulation, the Royal Academy of Sciences says.