Updated

Hundreds of Bosnians have turned to Twitter to discuss the discovery of a large mass grave.

The Tomasica grave in northwest Bosnia was found in September — long after the civil war ended in 1995 — and 430 bodies of Bosniaks and Croats killed by Serb troops have been found. Experts expect to find at least 300 more.

Covering more than 5,000 square meters (53,820 square feet) and 10 meters (33 feet) deep, the mass grave could be the largest one found in Bosnia.

Twitter user Anel Dzoko declared Friday "Tomasica tweet day," inviting people to discuss the discovery and "pay respect to the victims of this crime." Hundreds of people responded, tweeting and retweeting.

Dzoko said he was happy to see that even people in neighboring Serbia joined in.