A man, who witnessed the killing of his two brothers during the Muzaffarnagar riots, was shot dead at Khatoli in Muzaffarnagar, police said on Wednesday.
The communal clashes in Muzaffarnagar and its adjoining areas in August and September 2013 had claimed more than 60 lives while over 40,000 people were displaced.
Ashfaq, a witness in the case, was shot dead in Khatoli on Monday, Circle Officer Ashish Kumar said.
Eight people are facing trial for allegedly killing Ashfaq's brothers and the next hearing was scheduled for March 25.
Police are examining CCTV footage to identify the shooter, Kumar said, adding that Ashfaq was killed when he was going to deliver milk.