It was on Good Friday, 2nd of April 2021, that rioting erupted in a corner of Northern Ireland’s vibrant capital Belfast. In days, violence spread. It was on a scale that hadn’t been seen for years. With fears of a return to the troubled period of violence from Northern Ireland’s past, Tanya Beckett asks if the fragile peace is under threat. Produced by Beth Sagar-Fenton and Soila Apparicio. 'A previous version of this programme gave an incorrect title to Northern Ireland’s First Minister Arlene Foster this has been corrected.' (Nationalists attack police on Springfield Road in Belfast, Northern Ireland, April 08 2021. Photo: Charles McQuillan/Getty Images)