Four civilians were killed while three others sustained injuries when Indian Border Security Force (BSF) opened fire near the Sialkot working boundary, ISPR said in a statement.The dead included Salima Bibi, 10-year-old Adeel Ahmed, four-year-old Hamad Ahmed from Dhamala village and 65-year-old Abdul Razzak from Tulsipur village.The latest violation of ceasefire also injured 70-year-old Mohammad Ishaq from Tulsipur village, 72-year-old Mohammad Rashim from Dhamala village and 10-year-old Kashif from Harpal village.ISPR also said there was firing from Indian side in Nakial, Karela, Kot Kettera, Hot Spring and Jandrot sectors. No casualty was reported in these areas.According to ISPR, Pakistan Rangers effectively responded to ‘unprovoked firing’ by BSF.Meanwhile, unprovoked Indian firing in Charwa sector on late Monday destroyed 10 houses, while attacks in Harpal sector killed 13 domestic animals.While in India, police told AFP that Pakistan Rangers fired mortar shells at villages and border posts in Indian Kashmir, killing five villagers and injuring at least 30 more.Casualties in Indian Kashmir occurred when shells landed near a bus stand and houses in the Arnia sector of the southern Jammu region, police director general K Rajendra told AFP."The firing started (Sunday) night. It's continuing intermittently," Rajendra told AFP.Pakistan has strongly condemned unprovoked firing by Indian security forces, violating the ceasefire at the working boundary at Charwah sector on Monday,reported.Foreign Office spokesperson Tasneem Aslam in a statement said the firing started at midnight and continued until morning.“The Indian violation, in complete disregard of the sacred occasion of Eidul Azha, caused martyrdom of four innocent citizens, and injured three others,” added the spokesperson.Aslam said government had also lodged a strong protest with India, calling for restraint from constant violation of the ceasefire.