http://news.bbc.co.uk/2/hi/middle_east/2982068.stm

An explosion has ripped through a bus in central Jerusalem, Israel radio has reported.
Reports say several people have been killed and dozens have been injured.
The blast was heard across the city and ambulances are rushing to the scene.
It comes a day after the Palestinian militant group Hamas vowed to avenge an Israeli missile strike on Tuesday targeting one of its leaders in Gaza.
The Associated Press news agency quoted Israeli police as saying the blast was caused by a suicide bomber.
There has been no claim of responsibility for the attack yet.
