SUNDAY TIMES WEB DESK: “Three people were killed on the spot and the fourth one died while undergoing treatment at a hospital,” police official Shyam Lal Gyawali said, adding that the nature of the blasts was under investigation.

One person was killed in an explosion inside a house in the Ghattekulo residential area in the heart of the city.

“I heard a big noise and rushed to the spot to find the walls of a house had developed cracks due to the impact of the blast,” 17-year-old student Govinda Bhandari told Reuters at the site of the first blast.

The second blast took place near a hairdresser’s in the Sukedhara area on the outskirts of the city, where three people were killed.

The third blast, a crude device, went off near a brick kiln in the Thankot area of Kathmandu, injuring two people, police said.

All of the seven injured people were taken to hospital.