Emergency services are heading to the scene of the explosion, thought to be caused by Islamic militants.
The attack took place in Jerusalem, where the 12 line bus exploded. A suicide bomber may have been on the bus, and there are at least 20 casualties:
Multiple social media posts show smoke coming out of the burned-out bus, which is standing in the middle of the road.
As Reuters reports:
An explosion aboard a bus in Jerusalem caused around 20 casualties on Monday, Israeli media said, and police said initial indications were that it was a militant attack.
Television images showed smoke billowing from a burned-out bus on Derech Hebron, in southwest Jerusalem.
Police units respond to possible explosion on bus in Jerusalem. Emergency units on scene pic.twitter.com/dM2FeJQcSE
— Micky Rosenfeld (@MickyRosenfeld) April 18, 2016
The approximate area of the Jerusalem bus explosion pic.twitter.com/EP6zUiWTnK
— Oren Kessler (@OrenKessler) April 18, 2016
— UPI.com (@UPI) April 18, 2016
This is a breaking news story. We will most more details when they become available.