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Mexico mass grave found near Iguala after protests Mexico mass grave found near Iguala after protests
(about 5 hours later)
A mass grave has been found on the outskirts of the Mexican town of Iguala, where 43 students went missing on 27 September, officials say.A mass grave has been found on the outskirts of the Mexican town of Iguala, where 43 students went missing on 27 September, officials say.
It is not clear whether the bodies found in a pit are those of the missing students, who were last seen being forced into police vans.It is not clear whether the bodies found in a pit are those of the missing students, who were last seen being forced into police vans.
The group had travelled to the area, in the state of Guerrero, to take part in a protest over teachers' rights.The group had travelled to the area, in the state of Guerrero, to take part in a protest over teachers' rights.
Police opened fire on their buses, killing six people.Police opened fire on their buses, killing six people.
Twenty-two police officers are being held in connection with the shooting.Twenty-two police officers are being held in connection with the shooting.
Witnesses said the most of the survivors - all trainee teachers - were bundled into police vans before disappearing. Witnesses said that most of the survivors - all trainee teachers - were bundled into police vans before disappearing.
Some had gone into hiding and contacted their relatives after several days, still fearing for their lives.Some had gone into hiding and contacted their relatives after several days, still fearing for their lives.
'Anonymous tip''Anonymous tip'
It was thought initially that 44 students, not 43, had gone missing. They had been taking part in a protest over job discrimination against rural teachers.It was thought initially that 44 students, not 43, had gone missing. They had been taking part in a protest over job discrimination against rural teachers.
Iguala lies about 120 miles (200km) south of the capital Mexico City. The grave was discovered on Saturday, following an anonymous tip, local media reported.Iguala lies about 120 miles (200km) south of the capital Mexico City. The grave was discovered on Saturday, following an anonymous tip, local media reported.
It is not known exactly how many bodies it contains. Guerrero state prosecutor Inaky Blanco said forensic experts were trying to identify the victims. It is not known exactly how many bodies it contains. Guerrero state prosecutor Inaky Blanco said forensic scientists were trying to identify the victims.
"We still can't talk about an exact number of bodies. We are still working at the site," Mr Blanco said at a media conference in the state capital, Chilpancingo.
At least 15 bodies have already been retrieved from the pit.
Some of the relatives of the missing students had joined the search, knocking on doors and handing out pictures of their loved ones.Some of the relatives of the missing students had joined the search, knocking on doors and handing out pictures of their loved ones.
State prosecutors said local officials and police officers could have links with criminal gangs operating in Guerrero state.State prosecutors said local officials and police officers could have links with criminal gangs operating in Guerrero state.
Arrest warrants have been issued for the mayor of Iguala, Jose Luis Albarca and his security chief who are both considered fugitives from justice and may be involved in the violence. Arrest warrants have been issued for the mayor of Iguala, Jose Luis Albarca, and his security chief who are both considered fugitives from justice and may be involved in the violence.
Mexico correspondent Will Grant says the incident has highlighted the extent of the collusion between criminal groups and officials in much of the country.Mexico correspondent Will Grant says the incident has highlighted the extent of the collusion between criminal groups and officials in much of the country.