Police have charged 16 fans over trouble at Manchester United's clash with Roma at Old Trafford.
United won the game 7-1
Twelve English fans and four from Italy are charged with offences including possession of a bladed weapon, public order and criminal damage.
The English fans - from Greater Manchester, Lancashire, Cheshire, Northampton and London, are due before magistrates next Wednesday.
Another man is still being questioned and three were released without charge.
A 25-year-old man from Chorlton, Manchester, was arrested for breach of a football banning order and has been bailed pending further inquires.
Trouble flared before the Champions League match at United's ground on Tuesday night.
A total of 21 arrests were made before the game and no trouble was reported inside the stadium.
United won the match 7-1.
Luis Gormez de Teran, 26, of Via Val Maggia, Rome, is charged with possessing a bladed weapon and Alession Sciarra, 27, of Via Termin, is charged with possessing a weapon.
Cilar Lanciani, 21, of Dolocatelli, Guidonia, and 20-year-old Andrea Spinelli, of Piazzo Americo, Rome, are charged with public order offences.
The English fans charged with public order offences are: Daryl Food, 45, of Andalen Close in Burnley; Brendan Doherty, 44, of Thruckston Drive, Northampton; Gary Samson, 24, of Clyne Street, Stretford; 26-year-old Gareth Riddell, of Thirsk Avenue, Sale; Steven Carver, 46, of Newark Nook, London and Nicholas Stoker, 34, of Oxford Way, Stockport.
Two 16-year-old boys, one from Warrington and one from Northampton, were also charged with public order offences.
Sasan Nikkhah, 23, of Brookfield Avenue, Stockport and 46-year-old Kevin Holt, of Leander Drive, Rochdale are both charged with affray.
Paul Booth, 37, of Banks Street, Manchester, is charged with possession of a bladed weapon and 40-year-old Brendan Raid, of no fixed abode, is charged with criminal damage.
The England fans are due before Trafford magistrates on 18 April, and the Italians were due to appear at Manchester City Magistrates Court on Wednesday.
Uefa is to investigate the trouble from the first leg of the United and Roma match last week in Rome, which could lead to disciplinary action for both teams.