At least two people were killed after the blast near a restroom of the judicial complex in Ludhiana, north of the capital New Delhi.
Two people have been killed and two others injured after a powerful explosion ripped through an Indian court building.
"There's been a blast but we can not confirm the cause," a police officer said at the scene after the explosion near a restroom of the judicial complex in Ludhiana, north of the capital New Delhi on Thursday.
"We can confirm that four people are injured and out of four, two are dead," he added.
Footage showed police officers carrying the injured out of the building and asking others to leave the premises.
#BREAKING #UPDATE#Blast #India— #DextrousNinja🇮🇳 (@DextrousNinja) December 23, 2021
Blast in #Ludhiana court building
Police says it is on third floor of the court.
... Law And Order Situation in #Punjab Improved From Bad To Worse Under #Congress Goverment... pic.twitter.com/jjIXUwk0r3
The blast damaged the walls of the bathroom and shattered glass in other rooms, broadcaster NDTV reported.
Punjab state chief minister Charanjit Singh Channi said the government was "on alert" and announced an investigation.
"I'm reaching the blast site shortly and I assure the people of the state that the guilty would not be spared," Channi tweeted.
"Anybody trying to disturb the peace and harmony of the state, will be taken to task."