Trouble flared in central Belfast on Friday night as loyalist youths clashed with riot police around the city's Shaftesbury Square.
The latest unrest comes on the same day US Secretary of State Hillary Clinton visited Belfast, urging for a halt to recent violence.
More top news
A tense Wembley play-off final between Reading and Huddersfield was settled on penalties.
Detectives want to find out what happened to this suitcase that Salman Abedi was seen carrying on the day of the attack.
The golf ace has been arrested for driving under the influence by police in Florida.