Parvez Ahmad Dar set himself and his five-year-old son, Sahil, ablaze after sprinkling kerosene at their house in Dooru village of Tangmarg, 45 kms from here, last evening, a police spokesman said.
They suffered severe burn injuries and were shifted to SMHS hospital here for treatment, he said.
"It was not immediately known what prompted Dar to take such an extreme step," the spokesman said, adding police has registered a case and started investigations.
Meanwhile, a 35-year-old woman attempted suicide by setting herself ablaze in Kupwara district of north Kashmir last night.
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In another incident, the spokesman said a couple suffered burn injuries after their house caught fire in Anantnag district of south Kashmir.
Abdul Rashid Bhat and his wife Famida Akhter were injured in a fire incident at their house at Krangsoo village of Anantnag district last night, he said, adding the house caught fire due to leak in domestic gas cylinder.
The house was damaged in the incident, the spokesman added.