Three police officers have been hospitalized with gunshot injuries in Macedonia’s Kumanovo, according to reports of local news agencies.

According to Macedonian news portal plusinfo, a doctor from a hospital in Kumanovo said that three police officers were receiving treatment for gunshot wounds and one was being treated for shrapnel injury.

According to local news agencies, a shooutout occurred at around 4 a.m. local time on Saturday.

A Spokesman for Macedonia’s Interior Ministry, Ivo Kotevski, as cited by the MIA news agency, made clear that a police operation was underway against an armed group.

He urged locals to remain calm, adding that teams of police officers had been dispatched to the site.