A mass grave with at least 15 bodies has been found in Mexico near the site where a number of students disappeared a week ago, the Daily Mail reported.

At least 43 students were reported missing in the southern city of Iguala after a violent police confrontation, and several officers have been charged with the deaths of the students.

The incident resulted in six shooting deaths and a series of violent incidents in the city.

Guerrero State Prosecutor Inaky Blanco did not how many bodies were in the burial pits, which were found on a hillside in Iguala's outskirts, The Associated Press reported.

Authorities said it would be irresponsible to speculate on the identities of the bodies without confirmation, but Guerrero Gov. Angel Aguirre did reveal that the victims had been "savagely slaughtered," AP reported.

After the violent protest, 22 suspects were arrested, and eight more were arrested in connection with the mass grave.

The 22 officers are facing homicide charges, the Press Association reported.

The first of the violent incidents occurred Sept. 27 when city police shot at buses that had been hijacked by protesting students from a teachers college, state prosecutors told the Press Association. Three students were killed and 25 other people were wounded.

A few hours later that day, unidentified masked men fired shots at two taxis and a bus carrying a soccer team on the main highway.

Two people were killed on the bus, as well as one in the taxi.

Police initially received reports of 57 students missing, but that number was reduced.

Some of the students that were reported missing have been found, after hiding or running away at the time of the incident, but the remainder are still missing.

Video footage showing at least 10 students being put into police trucks last week was discovered, and the officers were arrested and charged with homicide.