Violence breaks out on Northern Ireland streets again despite appeals for calm

A car burns on Sperrin Road, Waterside, Londonderry (Liam McBurney/PA)
Violence has broken out on the streets of Northern Ireland again, despite appeals for calm.
A car was set alight in Sperrin Park in the Waterside area of Derry, while there were also reports of violent incidents in Carrickfergus, near Belfast on Monday night.