A 52-year-old man posing as a journalist was arrested along with his son for allegedly trying to extort Rs 50,000 from a businessman and later beating him up for reporting the matter to police, police said on Thursday.

Laxman Indoriya and his 26-year-old son Lakshay Indoriya have been arrested while Laxman's wife and second son Pragyawan are absconding and efforts are on to arrest them, they said.