"We know about the military activities of the DPRK over the weekend, which were not sanctioned by the UN Security Council resolution limiting ballistic missiles," RIA Novosti quoted him as saying.
He called these actions of the DPRK "normal" "at a low level."
“This is a short-range system,” he added.
Earlier, The Washington Post, citing sources, reported that North Korea launched short-range missiles over the weekend.