Seventeen people, including five crew members and 12 civilians, lost their lives after a Pakistan Army aviation aircraft on a routine training flight crashed near Mora Kalu Rawalpindi.

According to an Inter-Services Public Relations (ISPR) press release issued on Tuesday, 12 others were injured in the incident.

The crew members martyred in the incident, including two pilots, were: Lt Col Saqib (pilot), Lt Col Waseem (pilot), Naib Subedar Afzal, Havaldar Ibne Ameen and Havaldar Rehmat.

The ISPR said that rescue teams of the Pakistan Army and Rescue 1122 had reached the site of the incident and a fire had been extinguished. All injured were shifted from the Holy Family Hospital (HFH) to the Combined Military Hospital, Rawalpindi.

Military officials cordoned off the crash site. A cleanup operation at the site of the incident has started in order to clear the rubble.

Several men and women who lost their relatives in the crash were seen wailing and crying as rescuers put charred bodies of the victims into ambulances.

One resident of the area told AFP that the crash happened around 2am.

"I woke to the sound of a huge explosion. I stepped out of my house and saw huge flames and we rushed to the site," said Mohammad Sadiq.

"People were screaming. We tried to help them but the flames were too high and the fire too intense, so we could not do anything. The dead includes seven members of one family and most of them were burned to death."

Another resident, Ghulam Khan, said he heard the plane as it buzzed over his house, adding the aircraft appeared to be on fire before it crashed.

"The sound was so scary," he added.

Funeral prayers of the deceased were offered at Chaklala Garrison, a statement issued by the ISPR said. Chief of Army Staff General Qamar Javed Bajwa, serving and retired military personnel and relatives of the deceased were among those in attendance.

Prime Minister Imran Khan expressed grief over the loss of precious lives in the incident. According to Radio Pakistan, the premier expressed commiserations with the families of the victims and prayed for the recovery of the injured.

Leader of the Opposition in the National Assembly Shehbaz Sharif, National Assembly Speaker Asad Qaiser and National Assembly Deputy Speaker Qasim Khan Suri also expressed grief over the loss of lives in the incident.

Additional reporting by Javed Hussain