Seeing as lorry driver has been arrested I would hazard a guess that he has ploughed into the back of slow moving traffic.
Not paying attention, on phone, ****ed, tired, who knows...
There is a story in todays Sun that Portsmouth are building a podium. so that 'superfan' John Westwood can ring his bell and annoy away fans.
The Podium will be near visiting away fans.
He will have his own platform with room for 5 people.