Deadly fights are common in Brazil's poorly resourced, overcrowded jails. 

President appoints team to hold talks with opposition on modifying the deal.

A landmark peace agreement, which was signed between the Colombian government and F.A.R.C. rebels last week, was rejected by the country's voters in a referendum held on Sunday. 

President Manuel hopes deal would revive derailed economy & peace.

More than 220,000 killed and millions displaced by decades of bloodshed.

Violence erupted after two protesters killed in police firing earlier this week.

Deal will be subjected to referendum vote before it comes into force.

Inquiry alleges human rights abuse in a drug-related shootout last year.

Venezuelan president shut frontier last year on security grounds.

Suspect was arrested last year for supporting IS group on social media.