Mitchell warns on NI deadlock: We all need to change

There are very few people who have made such a significant contribution to securing the peace everyone on this island enjoys today as former US senator George Mitchell.

As the dogged chairman of the process that concluded with the Belfast Peace Agreement 20 years ago, he has a unique authority and insight so his warning yesterday that it would be an “immense tragedy” if the deadlock at Stormont undermined that historic achievement must be taken seriously.