The Madhya Pradesh Police have detained 21 people from eight districts of the state over links with the Popular Front of India (PFI), state Home Minister Narottam Mishra said on Tuesday.

Four people each were apprehended from Indore, Ujjain and Neemuch, three from Rajgarh, two each from Shajapur and Sheopur and one each from Bhopal and Guna, Mishra told reporters in Ujjain.