The Alliance party's deputy leader Naomi Long has told Daybreak that "democracy must prevail" after a police car was petrol-bombed outside her office in Belfast last night.
She said: "My heart is broken for Northern Ireland this morning.
"I thought we were moving away from this but while my heart may be broken, my resolve is not. Democracy must prevail."
More top news
The boss of DreamWorks has hinted that a fifth Shrek movie is in the pipeline saying there is "more to come" from the franchise.
Joshua Dobby admitted causing the deaths of child actor and his aunt following police chase in Penge, London, but denied manslaughter.
Official figures showed that services output expanded by 0.4% in the first month after Britain voted to leave the European Union.