World News Update, what you need to know

Heavy shelling around the crash site of downed Malaysian flight MH17 has forced Dutch and Australian police to scrap a planned trip, as the latest clashes in east Ukraine claim 13 lives including two children.

ELSEWHERE:

AMSTERDAM - Foreign Minister Julie Bishop says Australia is still determined to send unarmed police to the MH17 crash site despite Ukrainian forces mounting a fresh offensive in the rebel-controlled area.

GAZA CITY, Palestinian Territories - Hamas has fired more rockets at Israel, despite claims it had accepted a UN request for an extension of a humanitarian truce in war-torn Gaza.

WASHINGTON - The United States has released satellite images to bolster its claim Russian artillery has fired across the border into Ukraine.

TRIPOLI - Two weeks of fighting between militias in Libya's capital Tripoli have left 97 people dead, as Egypt and western foreign ministries urge citizens to leave amid spiralling violence.

BEIRUT - Islamic State jihadists, building on vast land grabs in Iraq, have seized an army position in the Syrian city of Hasakeh.