The war in Syria has killed more than 370,000 people and displaced millions since it erupted in 2011.
Wikileaks published an email from a member of the team that investigated the attack in the town of Douma in April 2018.
Pence makes two stops during his short trip, which was previously unannounced for security reasons.
Turkey's defence ministry blames Syrian Kurdish fighters for the attack.
The Israeli army says they had targeted about a dozen military sites.
Last week, Syrian President Bashar Assad said his forces will soon retake Idlib.
Turkey blames the car bombing on the Kurdish People’s Protection Units (YPG).
Turkey invaded northeast Syria last month to push out Syrian Kurdish fighters near the border.
Turkey’s defence ministry blames Syrian Kurdish fighters for the attack.
An SDF spokesman says Kurdish fighters are withdrawing from border positions.
Turkey’s military says the attack occurred near the border town of Ras al-Ayn.
Regrets EU failed to provide $6.7bn it promised to help house and feed around 3.6m Syrian refugees.
Turkey and its Syrian proxies have launched a cross-border attack against Kurdish-held areas.
Moscow says police will help Kurdish forces withdraw to a line 30 kilometres from the border.
Russian forces have started patrols along the flashpoint border, filling the vacuum left by a US troop withdrawal.
Kurdish militia commanders have yet to respond to the deal reached in Russia’s Black Sea resort of Sochi.
Warns that “crippling” sanctions could be reimposed if Turkey fails to honour obligation to protect minorities.
Russian Foreign Minister Sergei Lavrov hails the deal as one that will end the bloodshed in the region.
Syrian president says Idlib is the basis for resolving chaos and terrorism in all other areas; calls Erdogan a "thief".
A five-day pause in Turkey's military offensive to allow withdrawal of Kurdish YPG fighters expires tonight.
One man blocks the way of a US van with a poster reading: "Thanks for US people, but Trump betrayed us."
“Since when did you start to side with terror? Did PYD-YPG join Nato and we do not know about it?”
Jordan is a key US ally in the region.
The withdrawal is supposed to take place before Tuesday evening, when the pause in fighting is set to end.
A senior US defence official clarifies that the situation is still fluid and plans could change.
SDF commander says Friday bombardments major breach of truce; Turkish forces point to "14 attacks in 36 hours" by Kurds.
There is a saying that the mountains are the Kurds’ only friends.
Ceasefire agreement requires Kurdish fighters to vacate a swath of territory in Syria along the Turkish border.
"It was unconventional what I did. I said they're going to have to fight a little while," Trumps tells a rally in Texas.
US vice president says Turkey has agreed to a 5-day ceasefire in Syria to allow for withdrawal of Kurdish forces.