New Delhi, Sept. 14 -- A 32-year-old man has been arrested for allegedly sexually assaulting a six-year-old girl at a private speech therapy centre in Delhi's Rohini, police said on Sunday.

According to officials, the arrest was made on September 8.

The matter came to light on September 7 after the child's mother grew suspicious when she noticed unusual behaviour in her daughter upon returning from a therapy session, officials said.

According to the complaint lodged by the girl's mother, the girl, who suffers from a speech disability, had been enrolled in 45-minute therapy sessions at the centre since August 19. On September 6, after one of these sessions, the girl allegedly started mimicking sexual behaviour, which left her mother dis...