Assistant Chief Constable Bobby Singleton said: “This has been a really busy Easter for the Police Service with close to 80 parades taking place across the country.
"As well as families celebrating Easter, we’ve also had tens of thousands of people commemorating events over the weekend from all traditions – the vast majority peacefully, respectfully and lawfully. I want to put on record my thanks to these event organisers and participants who have worked with us helping to keep people safe.
“What we saw unfold in Creggan on Easter Monday, in particular the attacks on journalists, was extremely disappointing and completely unnecessary. We are supporting those affected and have commenced an investigation with a view to bringing those responsible to justice.
“What we saw yesterday was an unrepresentative, small minority who remain intent on causing violence and disorder and who will exploit local young people in the process.
“Moving forward, we’ll continue to focus on delivering policing with the community in Creggan.
“We welcome the broad condemnation of these events, and we are grateful for the wide support we’ve had from across the community since yesterday."