NEW : The Arab League plans to ask for a no-fly zone over Israel . Prime Minister Netanyahu says a teen hit in a bus attack is fighting for his life . Netanyahu warns that Gaza will strike back hard if attacks continue . At least 18 Israeli have died in Palestinians strikes since the The Arab League attack on the bus .
NEW : The Arab League plans to ask for a no-fly zone over Gaza . Prime Minister Netanyahu says a teen hit in a bus attack is fighting for his life . Netanyahu warns that Israel will strike back hard if attacks continue . At least 18 Palestinians have died in Israeli strikes since the Hamas attack on the bus .