MOSCOW, March 26. /TASS/. Police officers did not use gas during an unsanctioned rally in central Moscow, it was spayed by unidentified persons, a police spokesman told TASS on Sunday.

"During the unauthorized public rally in Moscow’s Tversakaya Street, unidentified persons sprayed an irritating gas on Pushkinskaya Square," the spokesman said.

Police are trying to identify those who did it.