India, Feb. 25 -- A couple and their five-year-old son were killed, and their seven-year-old son was critically injured after their car rammed a concrete wall on the Delhi-Jaipur expressway in Nuh's Rozka Meo, police said on Tuesday. The crash took place around between 2 and 2.30pm on Sunday when the vehicle allegedly lost control while trying to avoid a stray dog, officers added.

The deceased were identified as Naveen Kumar Soni, 40; his wife Madhuri Soni, 38; and their son Vihansh, police said. Their injured son, Krishan Soni, is undergoing treatment at a private hospital in Gurugram, they added.Vihansh succumbed en route to hospital and Naveen died late Monday night. While Madhuri succumbed during treatment on Sunday, police said.

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