Seven people on board a medical evacuation plane died in a crash in the eastern Indian state of Jharkhand late on Monday.

Axar.az informs, citing Independent, the aircraft was flying from the state capital Ranchi to national capital Delhi when it went down in a densely forested area, local authorities confirmed.

“All seven on board the air ambulance were killed in the crash. The plane was on the way to Delhi from Ranchi,” deputy commissioner of Chatra district, Keerthishree G, said.

According to Anant Sinha, CEO of Devkamal Hospital in Ranchi, the air ambulance had been arranged for a patient in critical condition.

Ranchi airport director Vinod Kumar said that the aircraft lost communication with air traffic control roughly 20 minutes after takeoff.

“Inclement weather could be a reason behind the crash, but the actual cause will be ascertained only after a probe,” he told the media.