"The militants began storming our positions. They threw smoke grenades and rushed into the first floor of the old terminal under cover of smoke grenades," said Selezniov.
"As of right now, half of the floor of the old terminal has been fought off by our soldiers," Selezniov said.
"The fight continues," he added.
Answering the question regarding some deadly gas used by the militants, Selezniov said: "we are not talking about chemical weapons."
He also added that there are no reports of losses.