All traffic is being held on the M60, and drivers have even been seen getting out of their vehicles as a police incident unfolds on the motorway.
Emergency services were first called shortly before 5pm due to man on a bridge.
A Greater Manchester Fire and Rescue Service spokesperson said: "At just after 4.45pm today (Saturday 22 June) fire crews were called to reports of a man on the wrong side of the bridge on the M60 clockwise from junction 8 to 9.
"Two fire engines from Sale and Salford along with the Technical Response Unit from Leigh quickly attended the scene.
"Crews are working alongside Greater Manchester Police and North West Ambulance Service and remain in attendance."
You may also like
IND Vs ENG, 4th Test: Zak Crawley's Enthusiastic Appeal Steals Spotlight On Day 1 At Old Trafford; Video
Lynda Shahwan dead: BBC presenter dies in car crash on family holiday
Scientists invent 'temporary tattoo' to guard against drink spiking
Bengaluru Bomb Scare: Gelatin Sticks, Detonators Found Inside Unattended Carry Bag Near Kalasipalya Bus Stand Toilet
Jamboree TV makes Super Mario Party Jamboree even better – providing you have the Switch 2 camera