The Russian Foreign Ministry on March 20 said it had summoned Israel's ambassador to the country over air strikes close to Moscow's forces near the historic Syrian city of Palmyra.
Russian Deputy Foreign Minister Mikhail Bogdanov told Interfax news agency that Ambassador Gary Koren was summoned on March 17 and "asked about" the strikes, AFP reported.
Israeli Defense Minister Avigdor Lieberman on March 19 threatened to destroy Syrian air defense systems after they fired ground-to-air missiles at Israeli warplanes carrying out strikes.
"The next time the Syrians use their air defense systems against our planes we will destroy them without the slightest hesitation," Lieberman said on Israeli public radio.
Israeli forces shot dead at least two Palestinians when clashes erupted during an operation Nov. 16 to destroy the West Bank home of a Palestinian accused of killing an Israeli hiker, the army said.
Palestinian hospital sources reported the death of two Palestinians, while the Israeli military said three were shot in an exchange of fire at Qalandiya.