It comes after it was revealed that kids were alive 30 minutes before taking action.

Florida school shooter Nikolas Cruz will be sentenced to life without parole for the of 17 people at Marjory Stoneman Douglas High School in Florida. Video / AP

Alex Jones was ordered by the jury to pay nearly $1 billion for his Sandy Hook lies. Video / AP

'Coward!' some of the grieving audience yelled as the meeting got under way.

Gunman carried out a massacre inside school where 19 children and two teachers died.

America has been devastated by a spate of mass shootings in recent days.

US President Joe Biden and first lady Jill Biden offered comfort Sunday to a city gripped by grief and anger. Video / AP

Questions about why police waited outside while school shooter massacred children.

The gunman who killed multiple children and teachers walked into the school "unobstructed", according to police. Video / AP

Jacinto Cazares lost his 10-year-old daughter when gunman opened fire in the classroom.

Names of those killed have begun to emerge.

A gunman opened fire at a supermarket in Buffalo, New York, killing at least 10 people before being taken into custody. Video / Reuters

"I shouldn't have to treat a gunshot wound as a choir teacher."

The 16-year-old shooter survived his self-inflicted gunshot wound.

The people who carry out mass shootings in the US all share these same characteristics.

This week marks the 20th anniversary of the Columbine High School attack.

A survivor of the Columbine High School massacre describes his life 20 years on.

The group no one wants to be a part of - but once you're in, you're in.

As the UK erupted with royal wedding joy, the US mourned another senseless massacre.

Boy who sent horrific texts to girl has been allowed back at the school while she suffers.

Ten people were killed during the latest US mass shooting in Texas.

It was the worst day of Linda's life and she had to jump on a plane urgently.

A Parkland school shooting survivor has slammed the President after his NRA speech.

Hundreds of thousands of protesters in U.S march to demand action against gun violence.

First 911 call comes in 68 seconds after Cruz opens fire. Here's how the event unfolded.

Jesse Osborne had researched school shooters for months and was determined to outdo them.

Zachary Cruz reportedly told police he feels he could have done more to stop the shooting.

Concocted story is the latest cautionary tale about the internet.

Coral Springs Police officers were stunned and upset to find sheriff's deputies hiding.

Donald Trump called the officer a coward stating 'he didn't have the courage'.