Prosecutors will seek the death penalty for Nikolas Cruz, the suspect in the fatal shooting of 17 people at a Florida school.

One of America's biggest outdoor equipment retailers has said it will immediately end sales of assault-style rifles and will not sell guns to anyone under 21 years old following the school massacre in Parkland, Florida.

Survivors of the Florida school shooting have descended on the state legislature to deliver one overarching message on gun control: It is time for action.

Donald Trump has said he is travelling to Florida "to meet with some of the bravest people on earth".