A Palestinian man shot and killed two Israelis and wounded a teenager as they were driving in the West Bank.

Italy has beefed up security around Jewish and Israeli sites after an unknown attacker stabbed an Orthodox Jew seven times near a kosher pizzeria in Milan.

A Palestinian attacker rammed his vehicle into a group of Israelis standing at a hitchhiking station in the West Bank, wounding four of them before he was shot dead by paramilitary officers, Israeli police said.

Israeli forces have shot and killed two Palestinians, including one who stabbed a soldier, in the latest in a string of clashes in the West Bank city of Hebron.

Violence has flared up again between Israelis and Palestinians despite new efforts to ease tensions.

US Secretary of State John Kerry says he will meet Israeli Prime Minister Benjamin Netanyahu in Germany this week to discuss escalating violence in the region.