Manchester United have the most-tweeted team hashtag in global sport, Twitter has revealed as they celebrate 10 years of the hashtag.

The social networking service has released details of those hashtags most discussed in the world of sport, with the symbol used to tag tweets on specific topics or issues. It was invented on this day in 2007.

An average of 125m hashtags are shared every day on Twitter and United's (#MUFC) is the most popular with regards to teams.

#HalaMadrid is a popular football club hashtag

United also lead the football club hashtags, sitting ahead of second-placed #HalaMadrid (Real Madrid), #LFC (Liverpool) in third, #CFC (Chelsea) in fourth spot, with #Arsenal (Arsenal) and #FCBLive (Barcelona) rounding off the top 10.

Although #MUFC is the most-tweeted team hashtag, the most-tweeted league hashtag is the #NFL, while #Euro2016 was the most-tweeted global sporting event hashtag.

Twitter has also released the five most impactful hashtags since the social media site was invented.

The most-tweeted league hashtag is the #NFL

#FollowTheCaptain was used when Manchester City invited fans to share their motivational words for captain Vincent Kompany's team-talk ahead of a derby against United.

#PutYourBatsOut was the hashtag as fans put their cricket bats outside their house to pay tribute to Australian cricketer Phil Hughes following his sudden death at the age of 25.

#BedforAwayFans was used online when Borussia Dortmund supporters offered travelling Monaco fans a room for the night after their Champions League tie in Germany was postponed following the explosion on the hosts' team bus.

#Pogback was used when Paul Pogba returned to Manchester United

#Pogback was used when Paul Pogba, who became the first footballer to have his own emoji on Twitter, returned to Manchester United from Juventus in what was then a world-record transfer fee.

#FCBPSG was tweeted out as Barcelona produced a remarkable comeback to beat Paris Saint-Germain 6-1 and advance to the Champions League semi-finals following a remarkable 6-5 aggregate victory.