The full warning, issued on Twitter, says: “We are currently at the scene of a road traffic collision on the A285 junction at Dye House Lane, Duncton. Please avoid the area.” Speaking to Sussex World, a spokesperson added: “ “This morning at 11.30am we were called to a road traffic collision on the A285 junction at Dye House Lane, Duncton. “Joint Fire Control mobilised fire engines from Chichester and Midhurst and the heavy rescue tender from Worthing to the scene. “Upon arrival crews found a cement lorry on its side with a person trapped inside. Firefighters are working to remove the person from the vehicle. “Sussex Police and paramedics from the South East Coast Ambulance Service are also in attendance. “The road is closed, and people are being advised to avoid the area.”