WASHINGTON, November 24./TASS/. The US believes the Russian Su-24 bomber shot down by Turkey on Tuesday was hit inside Syrian airspace, Reuters has reported quoting its source from the US president’s administration.

"The United States believes that the Russian jet shot down by Turkey on Tuesday was hit inside Syrian airspace after a brief incursion into Turkish airspace," it quoted the official as saying on condition of anonymity.

According to the source, the assessment was based "on detection of the heat signature of the jet," it said.