New Delhi: At least three people were killed and several were injured in a grenade attack in Nirankari Bhawan at Amritsar on Sunday. 

The blast occurred at the congregation at Adliwala village in Amritsar, Amritsar SSP (Rural) Parampal Singh said.

According to multiple television reports, unidentified bikers threw explosives at a religious ceremony of Nirankari sect that was being held there.

Deputy commissioner Kamaldeep Singh Sangha has confirmed the death of three people. Several others were injured and were rushed to the hospital.

According to reports, over 200 people were gathered at the congregation at Nirankari Bhavan. Following the attack, a red alert has been sounded in Delhi-NCR.

Sunil Jakhar, Punjab Congress chief said, "My condolences are with the families of those who lost lives in this incident. It is an attempt to disturb peace in Punjab. I believe all the security agencies should stay alert and coordinate with each other to maintain peace”.

Punjab was on alert following an input claiming that a group of six to seven JeM terrorists were reportedly in the state, possibly in Ferozepur area.

The state was put on alert after four persons snatched an SUV from its driver at gunpoint near Madhopur in Pathankot district last week.

Here's how politicians and eminent personalities reacted to the incident: