Multiple explosions were heard in two big cities of India-controlled Kashmir hours after India and Pakistan agreed to a ceasefire deal following the U.S.-led talks to end the most serious military confrontation between the nuclear-armed rivals in decades.

Two huge blasts and sirens were heard in Jammu city in Indian Kashmir on Thursday and there was a blackout across the city, a Reuters witness said.

The ceasefire comes after the Indian and Pakistani militaries targeted each others’ bases. World powers including China, Saudi Arabia, and the Group of Seven had urged a dialog after dozens of

Pakistan is accused of violating a cease-fire with India just hours after agreeing to halt hostilities on Saturday.