Three people were injured and 50 two-wheelers in the parking lot of AIIMS were damaged on Tuesday morning after portion of a wall collapsed due to heavy rain.
Police said the incident took place around 9.30am near Gate number 1 of the premier institute and the injured were rushed to the hospital for treatment.
One of the injured is the parking attendant.
"It had just stopped raining when part of a long wall collapsed and three people were trapped. The condition of one of them is critical," said a police officer.