Upset over his wife's alleged extramarital relation, an NRI burned himself, his wife and their two children alive at their house in Punjab on Wednesday.

Kulwinder Singh, 35, who was living in Jordan, was angry after coming across an indecent video of his wife.

He came to his native village in Kalasingia and poured petrol on himself, his wife and their two minor children and set everyone on fire.

Singh, along with his two children Abhi, 5 and Sonal, 8, died on the spot while his wife received more than 80% burn injuries. She was rushed to a hospital where she died.

Police have registered a criminal case against four people belonging to the same village for making the video around three months ago. The accused blackmailed the woman and later sent the video to her husband.

The accused were identified as Balkar Singh, Gurpreet Singh alias Sunny, Satya Devi and Tirath Singh.