A 79-year-old man suffered burn injuries after his son and daughter-in-law allegedly threw an inflammable substance and set him on fire in their house over a property dispute in Kagal tehsil of Maharashtra's Kolhapur district, police said on Wednesday.

The incident took place in Vhannur village on Tuesday morning and a case has been registered against the victim's son and his wife under Indian Penal Code section 307 (attempt to murder), they said, adding the couple is on the run.