Search and rescue teams locate Yanai Rimon, 25, four days after he apparently slipped while trying to cross body of water in Chiapas highlands, near Guatemala border

Search and rescue teams attempting to locate Yanai Rimon, 25, after he slipped while trying to cross river in Chiapas highlands, his friends say

Flight, which according to some reports was longest in Israeli aviation history, carried some 280 passengers; crew of 19 included 8 pilots

Authorities say 2,151 tourists who want to return will still be outside Israel on Tuesday; flights from India, Thailand set to land at Ben-Gurion Airport

Backpackers set to travel through Sofia and Berlin before arriving in Tel Aviv

Diplomats said to coordinate tourists in Thailand, Cambodia, Myanmar, the Philippines to converge in Bangkok for flight, with travelers in India to also be collected

Cells with links to Al-Qaeda, Islamic State said possibly planning attacks on synagogues, groups of Israelis; could try to kidnap backpacker