Gun battles broke out on Sunday between security forces and militants in Kashmir's Bandipora and Kupwara districts, police said. In yet another gunfight, in Poonch district of Jammu region, a policeman was killed.In Poonch, militants opened firing from an under-construction mini-secretariat building near the Army's 93 Brigade headquarters in the Poonch town around 8 a.m., police said."The militants have been surrounded and all escape routes have been sealed", a senior police officer told IANS, adding that the gunfight was continuing.In Kupwara, an encounter started in Nowgam sector of the Line of Control (LoC), a senior police officer said.In Bandipora, another encounter took place near the LoC in Gurez sector. Both the gunfights were continuing, the officer added.