Dinosaur tracks 113 million years old have been exposed in Texas, after ongoing drought dried up parts of the river covering them. 

Iran’s top human rights official says migrants are victims of the United States’ media propaganda, following reports of the death of dozens of South American asylum seekers in a truck in sweltering heat.

The bodies of 51 people believed to be migrants who crossed into the US from Mexico were found dead on Monday.

The head of the Texas Department of Public Safety says three minutes after a gunman entered a school where he slaughtered 19 elementary students and two teachers there was sufficient armed law enforcement on the scene to stop the gunman.

Canadian Prime Minister Justin Trudeau’s government introduces legislation to implement a "national freeze" on the sale, purchase, importation, and transfer of handguns in Canada.

A teenage gunman massacred at least 19 children and two teachers after storming into a Texas elementary school. #Trending looks at the reactions to the tragedy on social media.

More than a thousand people have gathered outside the NRA's annual convention in Houston, Texas, to protest gun violence​​​​​​​ in the US.

A trauma doctor tending to three children wounded in the school shooting in the Texas city of Uvalde said it is "crushing" to treat victims of the second mass shooting in the area within the last five years.

Pope Francis has called on the US to act to prevent the spread of guns after a mass shooting at a Texas elementary school.

The US state of Texas has sued the administration of President Joe Biden over its rule that allows more asylum seekers to avoid deportation at the border.