UN says Channel deaths were avoidable

The UN says the deaths of 27 people - who drowned trying to cross the English channel- could have been avoided if more legal routes were provided. The French and British governments vow to break the traffickers. But who are these crime gangs? Also in the programme: The moment an amateur archaeologist realised he was digging up a major Roman mosaic in his father's field in England; and are political divisions getting in the way of Thanksgiving? (Photo: People take part in a protest outside the Home Office in Westminster, London, demanding an end to deaths in the Channel. CREDIT: James Manning/PA Wire)