George Bush says Yasser Arafat has to do a better job of curbing violence against Israel.

Israel was tonight holding back from retaliating after a Palestinian suicide bomber blew himself up on a packed rush hour bus, killing seven other passengers including four Israeli soldiers.

A militant Islamic Jihad group has claimed responsibility for a suicide bombing on a rush-hour bus in Israel.

At least three people were killed and 28 others injured when a suicide bomber blew himself up on a bus in northern Israel at the beginning of the morning rush hour today, officials and Israel radio station said.

Several people have been injured in an explosion on a bus in northern Israel, radio stations reported.