Sources in Israel have confirmed that the country's air force launched a strike in Syria against what are believed to be stockpiles of weapons headed for the Hezbollah militant group in Lebanon.
There has been no official statement on the attack from the Israeli government.
U.S. officials told news agencies late Friday that the strike occurred late Thursday or early Friday. The reports said there is no indication that Israeli warplanes entered Syrian airspace. The officials spoke to reporters anonymously.
Online news source Politico cites U.S. Senator Lindsay Graham, who serves on the Senate Armed Services Committee, as telling the audience at a Republican fundraising dinner Friday that Israel had bombed Syria that day. He did not elaborate.
If confirmed, this would be the second time Israel has conducted airstrikes on Syria this year. Israel recently stated that it conducted a January airstrike on a weapons convoy in Syria that was thought to be headed for Lebanon's Hezbollah rebels.