An explosion was heard in the city of Lachoris in East Pakistan on Thursday morning, according to the Geo TV television network and an eyewitness Reutersone day after Indian raids on multiple locations in the country reinforced fears of escalating the military conflict between neighbors with nuclear weapons.

The first data have not clarified the cause of the explosion or any victims, but the area has been rushed by the competent authorities to investigate the incident.

Social media has been posted on a video from the explosion, while locals speak of listening to air raid sirens and report that India attacked the airport Walton.