Violence spiralling in the port city of Acapulco after the top boss of a major drug cartel was killed by Mexican soldiers.
Philadelphia imposes night curfew as marauding teens take over the downtown.
Many people are uncomfortable seeing the same institution that was once responsible for killing innocent civilians, even nuns and priests, out on patrol with high powered rifles.
With Mexican drug cartels now controlling the bulk of the trafficking into the US, Guatemala - which shares a border with Mexico - has become far more saturated by organised crime.
Officials say armed men have tried to kill Indians on the Brazil-Peru border area to make way for illegal logging, or new cocaine trafficking routes through the forest from Peru.
Central Falls is one of a handful of US local governments facing insolvency in the wake of the financial crisis.
NASA unveils close-up shots of the giant asteroid Vesta.
All eyes on National Assembly meeting to see if it gives final approval to a set of potentially transformative economic reforms.
The former US director of National Intelligence adds his voice to complaints from abroad over US strikes in Pakistan .
Pictures of the latest objects seized by the police in the Mexican state of Michoacan, reveal that the mysterious 'Knights Templar" drug cartel is more bizarre than most people imagine.
With no replacement vehicle planned for years and thousands of job layoffs looming, the future of America's iconic space programme is unmistakably cloudy.