Kremlin spokesman Dmitry Peskov told reporters on Monday that losing the Syrian town of Palmyra to Islamists shows how serious the Islamic State threat remains.
The ancient town of Palmyra was taken by Russian and Syrian forces earlier this year but recaptured by Islamic State militants over the weekend.
"The threat of losing Palmyra is a loss for all civilized humankind, not just for Russia," Peskov said.