According to the Assistant Chief District Officer, Krishna Kumar Niraula, a pressure cooker bomb had exploded at the office premises at 12.40 pm on Sunday.

Eight employees—five men and three women—of the land revenue department were injured in the blast.

“Three of the critically injured are undergoing treatment at Saptarishi Hospital, Lahan while the others are admitted at Lahan Hospital,” said DSP Tapan Dahal of Area Police Office, Lahan.

According to police, preparations are underway to take the critically injured to Kathmandu for further treatment.

This is a developing story. Check back for details.