Faizan Tariq was killed when car driven by his father accidentally rammed into a tree in Pulwama district of South Kashmir, police said.
Arsalan (6), a co-traveller, was seriously injured in the mishap and was rushed to a hospital.
Meanwhile, in a similar accident, seven-year-old Faheem Ahmad Wani was killed when he was hit by a cab outside his house at Gandwani, 72 kms from here, in Kulgam district.