World News Update, what you need to know

Iraqi government forces have staged a desperate retreat from their last bases in Ramadi, effectively giving the Islamic State group full control of the capital of Iraq's largest province.

ELSEWHERE:

DAMASCUS - Syrian troops have pushed Islamic State group jihadists back from the ancient city of Palmyra, easing fears over the world heritage site, after fighting that has left hundreds dead.

JERUSALEM - Israeli nationalists and police have clashed with Palestinians in occupied east Jerusalem as crowds of Jewish hardliners marched across the city to mark the 48th anniversary of its capture.

KATHMANDU - Nepal's prime minister has appealed for $US2 billion ($A2.47 billion) to rebuild his country, shattered by two massive earthquakes in three weeks that have killed thousands and devastated the impoverished nation's infrastructure.

BRUSSELS - The European Union has denounced the death sentence handed down against Egypt's ousted president Mohamed Morsi and at least 100 others, noting the penalty stemmed from a flawed trial.

LAGOS - Nigeria's military claims it has overrun 10 Boko Haram camps in the group's Sambisa Forest stronghold, a day after the Islamists attacked a crowded bus station in the northeast, killing seven.

MOSCOW - A Russian tycoon accused of embezzling tens of millions of dollars in a real estate scam has been taken into custody in Moscow after being deported from Cambodia, officials say.

MEXICO CITY - Prosecutors in a Mexican border state say a group of youths aged 11 to 15 have tortured, killed and buried a six-year-old boy as part of what they considered "playing."