The photos were shared on numerous accounts of Albanian social network users.
Similar graffiti had been written on the streets of North Mitrovica before, as well as in other municipalities in the north of Kosovo, but now the signature "North Brigade" appeared for the first time.
Graffiti can be seen on the main promenade and in bars around the city.
KFOR, NATO's peacekeeping force in Kosovo, is ready to step in if stability between Serbia and its former province is at risk.
This was stated by the Secretary General of the alliance, Jens Stoltenberg, BTA reported. He was speaking after a meeting with Serbian President Aleksandar Vucic in Brussels. It was about the recent tension between Belgrade and Pristina.
The deployment of paratroopers to Bosnia and Kosovo has been cancelled after relevant videos
The failure of the International Criminal Tribunal for the Former Yugoslavia (ICTY) to act related to the crimes committed by Kosovo Albanian leaders, has led Pristina government to believe they are "completely innocent," said Gennady Kuzmin, Deputy Permanent Representative of the Mission of Russia to the United Nations.