Unknown persons who broke into the Ukrainian Security Service's building in Luhansk have seized weapons from the armory, the Luhansk region police department said.

"Protesters have blocked the Ukrainian Security Service's building and unknown people are staying inside. According to the latest reports, the unknown people have seized weapons from the armory," it said.

The unknown persons also blocked traffic along the main city road, Radianska Street, in front of the Ukrainian Security Service's building early on Monday morning.