Police in Kazakhstan said Tuesday they had discovered the charred and stabbed remains of 11 bodies scattered over large stretches of a remote park popular with international climbers and hikers.
Authorities in the southern US state of Texas executed an African American man on Tuesday despite protests from human rights groups that said he was mentally disabled.
US authorities said Tuesday they arrested a man at a screening of the latest Batman movie with a bag full of weapons in a case that evoked a recent rampage in Colorado that claimed a dozen lives.
A gunman attacked worshippers on Sunday at a suburban Sikh temple in the midwestern United States, killing at least six people before he was himself shot dead by police.
A former police officer who allegedly killed his third wife -- and was charged only after his fourth wife disappeared under suspicious circumstances -- saw his case finally go to trial Tuesday.
Alleged Colorado cinema gunman James Holmes is due to make his second court appearance on Monday as he is charged with committing one of America's worst ever mass shootings.
A US police federation chief called for tougher checks on gun buyers Thursday, almost a week after a shooter used four weapons, including an assault rifle, to kill 12 people at a cinema in Colorado.
Alleged Colorado shooter James Holmes reportedly sent a warning package to a psychiatrist at his former university with a notebook and drawings of his plans to massacre people.
Computer security champions on Wednesday were urged to hunt down and eliminate hackers, spies, terrorists and other online evildoers to prevent devastating Internet Age attacks.