(KUNA) -- At least three people were injured in two powerful explosions in Indian-administered Jammu and Kashmir Wednesday. Guerrillas fired a rifle grenade at a Indian Border Security Force camp at Sopore in north Kashmir's Baramulla district, injuring two passers-by, news agency Indo-Asian News Service reported. The injured have been shifted to hospital for treatment.In another incident, guerrillas lobbed a hand grenade at an Indian Central Reserve Police Force post in Srinagar, summer capital of Indian-administered Jammu and Kashmir, the agency reported. One bystander received minor injuries and was taken to the hospital for treatment. No group has so far claimed responsibility for the blasts, according to the news agency.