"The IDF monitored the fighter jet, which was then intercepted by the Patriot missiles".
Col. Jonathan Conricus told reporters, "We have passed a number of messages, in a number of languages in order to ensure that no one violates Israeli air space".
Mattis added that the Defense Department will not be doing anything different until Pompeo and Trump "have further figured out at what point we're going to start working alongside our allies with Russian Federation in the future". The plane fell inside Syrian territory, and the fate of the pilots was unknown, Israeli officials said.
"The only thing we know about the aircraft is that it crashed, most likely in the southern part of the Syrian Golan Heights", he said.
The Islamic State jihadist group published photos on Wednesday purporting to show fragments of the Syrian fighter jet shot down by Israel a day earlier. "That's what any other country would do", Danon said.
Syria said the jet was targeted by Israel while still in Syrian airspace.
Just days ago, Israel aided in the evacuation of hundreds of rescue workers and their families from the non-combatant group White Helmets, who crossed out of Syria into the Israeli-occupied Golan Heights before arriving in Jordan.
Nerve agent victim Charlie Rowley released from British hospital after poisoning
They started their search of public toilets yesterday and resumed the investigation earlier today. The couple collapsed a few hours apart on June 30 at Mr Rowley's flat, in Amesbury, Wiltshire.
The jet was said to be about 1.25 miles inside Israeli airspace when it was shot down.
Israeli forces first tried to warn the plane, according to the Reuters news agency. The area along the border is a demilitarized zone, and I think the Syrian air force is well aware where they can fly and where they can't. A United Nations peacekeeping force was deployed in the region in 1974.
It has also pledged to prevent its arch-enemy Iran from entrenching itself militarily in the neighbouring country.
The incident comes during a Russia-backed Syrian offensive to retake parts of southern Syria the Bashar al-Assad government lost to rebels during the civil war.
Israeli Prime Minister Benjamin Netanyahu attends a weekly cabinet meeting in Jerusalem, May 27, 2018. Netanyahu wants Russian Federation to keep both Syria and Iran, two clear enemies of Israel, far away from the Golan border.
Israeli officials said Mr Netanyahu rebuffed a Russian offer to keep Iranian forces 100km from the Golan lines.