NewsUK NewsGreater Manchester PolicePolice have arrested a 20-year-old woman on suspicion of arson after a huge wildfire broke out near Dovestone Reservoir in Greater Manchester17:54, 13 Jul 2026Updated 22:33, 13 Jul 2026Police have arrested a woman on suspicion of arson after a huge wildfire broke out on moorland near Dovestone Reservoir.‌The fire erupted at the beauty spot on Saturday, July 11, shortly after 8.30pm, sparking a major incident.‌Up to 50 firefighters and 10 engines are expected to continue tackling the blaze over the coming days.‌Greater Manchester Police said its Neighbourhood Policing Team have this afternoon arrested a 20-year-old woman on suspicion of arson. She remains in custody for questioning.The force also warned members of the public to stop circulating social media posts relating to the incident.‌While the cause of the fire has not been formally confirmed, videos posted online appear to show a group of people setting off fireworks in the area before the blaze started.Detective Inspector Andrew Day of Oldham CID said: "We are aware of social media posts circulating regarding this incident and would like to stress that this is a live police investigation. We would encourage people stop speculating regarding this and if you do have information, please report it to ourselves."Saddleworth Neighbourhood Sergeant Andy Holian added: "Officers would like to thank all emergency services who have dealt with and continue to deal with this incident. In particular, our colleagues at Greater Manchester Fire and Rescue Service.‌"Firefighters have been working tirelessly in extremely challenging conditions to contain the fire and prevent further spread, with strong winds adding to an already difficult situation."They are putting themselves at risk to protect our communities, the environment and local wildlife, and they deserve our utmost respect and support."Road closures remain in place at Holmfirth Road and Bank Lane with no access to Dovestone Reservoir.Article continues belowMembers of the public have been asked to avoid the affected areas to allow emergency services space to carry out their work safely.To report any information regarding the incident, you can contact Greater Manchester Police via its website or by calling 101 quoting log number 3367 12/07/26.Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌Breaking NewsGreater Manchester Police