WATCH: Top 5 world news videos today

1. Dozens dead in motorway bridge collapse near Genoa

Around 30 people have been killed after a highway bridge collapsed near the Italian city of Genoa on Tuesday, according to the country's deputy Prime Minister.

2. Politicians react to Westminster car attack

Prime Minister Theresa May said her thoughts were with those injured and thanked the emergency services for their response after a car crashed into the barriers outside the Houses of Parliament in a suspected terrorist incident.

3. Nebraska carries out 1st US execution using fentanyl

The execution of Carey Moore in Nebraska marks the first time any state in the US has used fetanyl in a lethal injection.

4. Trump takes aim at Omarosa

US President Donald Trump goes after his former aide, Omarosa Maginault Newman, calling her a “lowlife” and a “dog”, after she questioned his mental fitness and accused him of using racial slurs.

5. Ben Stokes trial: How events unfolded

England cricketer Ben Stokes has been found not guilty of affray following a brawl with two nightclub revellers. Here's how events unfolded since the incident in September last year.