Regime and Russian air strikes killed 50 people in northwest Syria on Monday, most of them in a crowded market, a war monitor said, in the latest violence to plague the opposition bastion.

China on Monday thanked the United Arab Emirates for backing its security crackdown in Xinjiang, state media said, as President Xi Jinping played host to Abu Dhabi's crown prince.

Beijing has come under growing international scrutiny for placing an estimated one million mostly Muslim ethnic minorities in internment camps in the name of counter-terrorism, but Muslim countries have largely refrained from criticising China.

An Israeli military court on Monday sentenced a Palestinian to life in prison for murdering an Israeli soldier in the occupied West Bank last year, the army said.

"The military court in Judea (the West Bank) handed a life sentence... to the terrorist Islam Naji (Abu Hamid)," a statement from the army read.

Russian air strikes on a market in northwestern Syria killed 23 people on Monday, a monitor said, in the latest violence to plague the country's last major opposition bastion.

Hamedo Fakhouri clearly remembers the moment when the young Palestinian who worked at his neighborhood coffee shop was shot dead.

Israeli troops were lingering after an overnight arrest raid in the northern West Bank city of Tulkarem when he noticed the mentally disabled Mohammed Habali limp up the street with his wooden walking stick. Seconds later, he heard gunshots and spun around to see Habali collapse.

Israel began demolishing a number of Palestinian homes it considers illegal south of Jerusalem early Monday, in a move which has drawn international concern.

President Donald Trump's son-in-law and senior adviser, Jared Kushner, is returning to the Mideast at month's end to promote the administration's $50 billion economic support plan for the Palestinians that they've rejected because it ignores their political demands.

Kushner outlined the plan's ambitious investment and development goals at a Bahrain conference last month. It relies heavily on private sector investment in the West Bank, Gaza as well as Egypt, Jordan and Lebanon.

Israel's foreign ministry said Sunday the country will this week host six journalists from Arab countries including, for the first time, Iraq and Saudi Arabia.

A young citizen journalist was among 11 civilians killed in air raids on Syria's Idlib region Sunday, rescue workers and a monitor said, as he filmed the Russia-backed regime bombardment of the battered enclave.

Iraqi Kurdish authorities have announced that they had arrested two suspects involved in the murder of three people, including a Turkish diplomat, in the regional capital Arbil this week.