Two suspects have been arrested after a serious crash on the A2 which left one person in a serious condition in hospital. The coastbound carriageway was shut for more than 15 hours near Bluewater shopping centre in Dartford on Friday. The crash happened between the B255 Bean Interchange and A2260 turn-off for Northfleet and Ebbsfleet at around 10.40pm. Three cars were involved – a black Ford Fiesta, a blue Audi S3 and a blue MG HS. A passenger in the Fiesta was airlifted to a London hospital and remains in a serious condition. The driver and a second passenger were also treated for injuries an…