Detectives are investigating an attack on two other people in the same London street where a woman was believed to have been beheaded. Police said that they believed both were able to get out of a house in Nightingale Road, Edmonton without injury.
More top news
After a remarkably mild November - a notable mild start to the new month.
The Facebook founder revealed the plan as he and wife Priscilla Chan announced the birth of their baby daughter, Max.
At least 300 people are actively promoting and recruiting for the terror group from within the United States, academics have found.