At least two people have been killed and two others injured in a blast at a court complex in the Punjab city of Ludhiana, Indian police say.
According to the AFP news agency, in the footage of the incident, the police officers can be seen removing the injured people from the building and asking the other people present there to evacuate the building.
The bomber struck shortly after noon in a toilet on the second floor of the building, according to Indian online news website NDTV.
The blast damaged toilet walls as well as other parts of the building and shattered windows in nearby rooms.
The court proceedings were in full swing at the time of the blast and a large number of people were present.
The police chief, who was present at the scene, said: “There has been an explosion but we cannot confirm the cause.”
He added that two people had been killed in the blast.
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After the blast, Punjab Chief Minister Charan Jait Singh Channy said the government was on “alert” and an investigation into the incident had been launched.
“I will be arriving at the scene soon and I assure people that those involved will not be spared,” he tweeted.
According to Chief Minister Charan Jait Singh Channy, “anti-national elements may be involved in these blasts as Assembly elections are approaching.”
On the other hand, according to Indian online newspaper India Today, along with issuing high alert in the Indian state of Punjab, the police have been directed to tighten security in public places.
Authorities in Punjab and Haryana have also been directed to increase security at court complexes.