A terrorist mass stabbing at London Bridge kills two civilians and injures three others. The attacker, Usman Khan, wearing a fake explosive belt, is shot dead by police on the bridge. Khan was a former prisoner convicted of terrorism offences, and had links to Islamist terrorist groups.
After meeting with Turkish President Recep Tayyip Erdoğan, U.S. Vice President Mike Pence says Turkey has agreed to a five-day ceasefire in Syria while the United States helps facilitate the withdrawal of Kurdish fighters.
Prominent Kurdish Syrian politician Hevrin Khalaf is dragged from her vehicle on the M4 Motorway and summarily executed along with her driver and eight civilians by Turkish-backed Free Syrian Army militants. The killings were recorded by the militants, which has since been spread on social media.