Police officers in Belfast were pelted with fireworks and bricks in the Carlisle Circus area in the north of the city tonight.
Terry Spence, chairman of the Northern Ireland Police Federation, which represents rank and file officers, said: "Their bravery and courage is in stark contrast to that of the cowardly thugs responsible for trying to murder them."
More top news
The ex-mother-in-law of a suspect sought over the murder of West London teenager Alice Gross has spoken to ITV News.
How is Sainsbury's positioned to tackle the challenges of low-cost rivals and changing shopping habits?
The head of football's anti-discrimination body Kick It Out has responded to attacks by QPR defender Rio Ferdinand in his autobiography