State-run Pakistan Television said Saturday that retaliatory attacks are underway after India fired missiles at three air bases inside Pakistan. It did not give details, and it was unclear which military locations in India were being targeted.

Pakistan said India fired missiles at three air bases inside the country Saturday but most of the missiles were intercepted and that retaliatory strikes on India were underway. It’s the latest escalation in a conflict triggered by a massacre last month that India blames on Pakistan.

India has accused Pakistan of breaking the ceasefire brokered with the help of the U.S., saying it is responding to the violations. India's Foreign Secretary Vikram Misri held a press briefing where he confirmed a ceasefire agreement had been reached,