Police attacked with petrol bombs and masonry

A crowd of youths threw petrol and paint bombs and heavy masonry at police during disorder in Londonderry on Friday.

The group of about 15 young people gathered at Irish Street in the evening while a band parade was passing through.

A police spokeswoman said the group "initially engaged" with officers and left the scene, but they then returned a short time and began the attacks.

There were no reports of any injuries, but there was minor damage to two police vehicles.

The group of youths initially gathered in Irish Street about 21:45 BST, according to Supt Sinead McIldowney.

She said they had covered their faces and were carrying a number of flags as the parade passed the interface area.

When they returned armed with projectiles, a "period of disorder ensured" and calm was not restored until about 01:00 on Saturday.

"The crowd eventually dispersed - with police remaining in the area for a time in an effort to locate those involved," McIldowney said.

The officer said it was "completely unacceptable" that police resources were diverted in this way.

"We would particularly ask parents and guardians to speak to their children so they know where they area, and that they do not become involved in such reckless behaviour that could lead to someone getting hurt," McIldowney added.

"Our enquiries are ongoing today, and there will be consequences to those involved and any further similar behaviour by way of proactive arrests."