The incident was the second attack by Druze on an Israeli army ambulance in under 24 hours.
Israeli PM speaks of Iranian presence in Gaza, Lebanon and Golan Heights.
Israel received the message a day after the worst deadly clashes in years erupted along the border.
Hezbollah militants fired a missile at an Israeli army vehicle in the biggest escalation since the 2006 war.
On Tuesday, at least two rockets from Syria hit the Golan Heights and Israel responded with artillery fire.
Since the riots in Jerusalem, the whole country is braced for violence.
Despite orders to hold their fire, a group of U.N. peacekeepers held off al Qaeda-linked militants for 3 days
Forty-three peacekeepers were safely rescued but UN sources say dozens remain trapped
Terrorist group that held U.S. journalist Peter Theo Curtis take a key Syria/Israel border crossing