A man has been charged with going onto the playing area at a football match following Swansea’s FA Cup tie against Manchester City on Saturday.
South Wales Police announced that two teenagers had also been cautioned for pitch encroachment.
The incidents marred a dramatic quarter final at the Liberty Stadium and follow several similar invasions in British football in recent weeks.
A pitch invader is grappled by steward during Swansea’s 3-2 defeat to Manchester City
Aston Villa’s Jack Grealish was assaulted by pitch invader Paul Mitchell last week while there were also incursions during Arsenal’s win over Manchester United and in Scotland during a Rangers match at Hibernian.
Mitchell was later jailed for 14 weeks for his attack on Grealish.
Premier League champions City beat Swansea 3-2 with a late goal from Sergio Aguero after fighting back from 2-0 down.
Sergio Aguero completed a second half comeback with a late winning goal for the visitors
Police said Harry Eccles, 21, from Conwy, north Wales, has been charged with going onto the playing area at a football match and is due to appear at Swansea Magistrates’ Court on April 2.
A 15-year-old from Bury and 16-year-old from Swansea, who were also arrested for pitch encroachment, have received youth cautions.
Police match commander, superintendent Steve Jones, said: ‘The safety of supporters, players, officials and those who work these games is paramount.
‘We will continue to work with the football club to prevent and deter this unacceptable behaviour from a very small minority continuing.’