A witness has described how actor Tom Hardy was seen apprehending a suspected moped thief after pursuing him through gardens and a building site.The Hollywood star looked like he “switched into superhero mode” as he collared the man before checking him for weapons after the chase near his home in Richmond, south-west London, an onlooker told The Sun.With Tom’s help two suspects were detained in connection with the theft, the newspaper said.Tom Hardy (Daniel Leal-Olivas/PA)The witness said two males had jumped a red light at a busy junction before crashing into a £50,000 Mercedes.“Tom must have been walking down the road. He went off like a shot in pursuit and looked furious”, Arun Pullen, 22, said.He added: “I asked Tom what happened and he told me he chased him through my back garden and caught him around the block — but the route was like an assault course.”Tom, 39, who starred in blockbusters Batman and The Revenant and recently co-wrote and appeared in BBC drama Taboo, reportedly performed a citizen’s arrest on the fleeing suspect.Pullen’s girlfriend, Kalisha, a fan of the actor, told the newspaper: “There was no mistaking him.”A spokeswoman for the star declined to comment, the newspaper said.(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-72310761-1', 'auto', {'name': 'pacontentapi'}); ga('pacontentapi.set', 'referrer', location.origin); ga('pacontentapi.set', 'dimension1', 'By Kerri-Ann Roper'); ga('pacontentapi.set', 'dimension2', '45a7fd76-ac6e-4fe7-977d-7a845ba79b7e'); ga('pacontentapi.set', 'dimension3', 'paservice:entertainment,paservice:entertainment:movies,paservice:entertainment:uk,paservice:snappa,paservice:snappa:celebrity-showbiz'); ga('pacontentapi.set', 'dimension6', 'story-enriched'); ga('pacontentapi.set', 'dimension7', 'composite'); ga('pacontentapi.set', 'dimension8', null); ga('pacontentapi.set', 'dimension9', null); ga('pacontentapi.send', 'pageview', { 'location': location.href, 'page': (location.pathname + location.search + location.hash), 'title': 'Tom Hardy \'carried out citizen\'s arrest on fleeing moped thief\''});