A Palestinian man on hunger strike for more than 85 days since his arrest by Israel is entering a medically "critical phase", the International Committee of the Red Cross said Thursday.

The man who decapitated a teacher in France for showing cartoons of the Prophet Mohammed in class had been in contact with a Russian-speaking jihadist in Syria, a source close to the case said on Thursday.

Seven people have been charged with complicity after 18-year-old Chechen Abdullakh Anzorov killed Samuel Paty on Friday, including two teenagers who helped him identify the teacher.

Forty-five American lawmakers have urged the US government to boycott next month's G20 summit in Riyadh unless Saudi authorities address key human rights concerns, according to correspondence released Wednesday.

From pickled vine leaves to coffee and cheese, Saudi supermarkets are taking Turkish products off the shelves after calls for a boycott, as rivalry between Riyadh and Ankara heats up.

The case of alleged kickbacks in Israel's purchase of German submarines resurfaced Wednesday with the cancellation of a vote in parliament demanding the creation of a commission of inquiry.

US Secretary of State Mike Pompeo said Wednesday that Syria's regime has not revealed all it knows about two missing Americans despite a rare visit by a U.S. official.

Damascus has sharply increased petrol prices in government-held areas of Syria, saying that US sanctions on the war-torn country had left it with no alternative.

The UN's Libya envoy said Wednesday she was "quite optimistic" about the prospects of a ceasefire emerging from ongoing talks between the two warring factions.

Two days into the talks at the United Nations in Geneva, scheduled to last until Saturday, the two sides agreed to open internal land and air routes.

An Israeli strike hit the province of Quneitra in southern Syria, state media reported on Wednesday.

The Israeli army said it had discovered on Tuesday a tunnel infiltrating Israeli territory from the Gaza Strip.