In a sign of increased caution about flying near combat zones, U.S. and European airlines halted flights to Israel Tuesday after a rocket landed near Tel Aviv's Ben Gurion Airport. Delta Air Lines and United Airlines suspended service between the U.S. and Israel indefinitely. US Airways scrapped its one flight to Tel Aviv Tuesday. Germany's Lufthansa and Air France also suspended flights. The actions come days after a Malaysia Airlines jet was shot down over eastern Ukraine with 298 people on board.