Three Alawite civilians were killed in western Syria overnight, hours after an attack on government forces killed at least one officer, a war monitor said on Wednesday.

The Gaza civil defense agency said 31 people were killed and "about 200" wounded Wednesday when Israeli troops fired on people waiting to enter a food distribution center.

Air raid sirens sounded across central Israel and Jerusalem on Tuesday as the military said it had detected a projectile launched from Yemen.

"The IDF (military) has identified the launch of a missile from Yemen toward Israeli territory," the military said in a statement, adding that sirens were sounded in several areas. AFP reporters heard loud booms over Jerusalem, similar to past interceptions.

Two people were killed in separate drone strikes Tuesday on a car and a motorcycle in the northwestern bastion of the Islamist former rebels who now head the Syrian government, rescuers said.

There was no immediate claim of responsibility for the twin drone strikes in the Idlib region but a U.S.-led coalition in Syria has carried out past strikes on jihadists in the area.

After a meeting with French envoy Jean-Yves Le Drian, Lebanese President Joseph Aoun condemned "the occasional attacks on UNIFIL patrols", calling them "unjustified and unacceptable".

There have been several confrontations between people in south Lebanon, where Hezbollah holds sway, and U.N. peacekeepers in recent weeks.

Army forces launched Tuesday a search in a building in a densely populated area of Hadath in Beirut's southern suburbs.

A Lebanese military official said the forces were looking for weapons at the request of a five-member committee supervising the Israel-Hezbollah ceasefire.

The EU on Tuesday announced the removal of the United Arab Emirates from its money-laundering "high-risk" list but added Lebanon alongside nine other jurisdictions.

The European Commission said it added Algeria, Angola, Ivory Coast, Kenya, Laos, Lebanon, Namibia, Nepal and Venezuela, along with Monaco, to the list of countries that need extra monitoring of their money laundering controls.

Hundreds of pro-Palestinian activists taking part in a convoy crossed the Tunisian border on Tuesday into Libya, aiming to keep heading eastwards until they break Israel's blockade on the Palestinian territory, organizers said.

This comes after Israel intercepted an aid ship attempting to breach its blockade on Gaza, which was carrying 12 people, including campaigner Greta Thunberg and European parliament member Franco-Palestinian Rima Hassan.

China and the United States Tuesday held a second day of trade talks in London seeking to ease a bitter row over tariffs, a U.S. Treasury spokesman said.

"Confirming talks resumed earlier this" morning, the spokesman said in a statement sent to AFP.

Palestinian president Mahmoud Abbas has said that Hamas "must hand over its weapons" and called for the deployment of international forces to protect "the Palestinian people", France announced on Tuesday.

In a letter addressed on Monday to French President Emmanuel Macron and Saudi Crown Prince Mohammed bin Salman, who this month will co-chair a conference on a two-state solution for Israel and the Palestinians, Abbas outlined the main steps that he thinks must be taken to end the war in Gaza and achieve peace in the Middle East.