On 8 April the gates of Belfast's so-called peace wall were prised open and set alight, police were attacked, petrol bombs thrown and a bus burnt in another night of violence. Over the week 41 police were injured, and ten people arrested. The most recent violence saw eight more officers hurt on both sides of an interface between several hundred loyalists and nationalists throwing petrol bombs in both directions in the loyalist Shankill Road and the nationalist Springfield Road. The power-sharing executive has met to consider the situation; the escalation in disorder requires a united response. It is hard to know how ministers will work in unity when they have not been on the same page about why the violence has been happening. Also criminals are orchestrating violence by putting petrol bombs into the hands of 12-year-olds: see