Seventeen police officers have been injured following a second night of sustained violence in Ballymena, the Police Service of Northern Ireland (PSNI) said.PSNI Chief Constable Jon Boutcher has warned that the rioting "risks undermining" the criminal justice process into an allegation of a sex attack on a teenage girl in the Co Antrim town at the weekend.

Seventeen police officers have been injured following a second night of sustained violence in Ballymena, the Police Service of Northern Ireland (PSNI) said.PSNI Chief Constable Jon Boutcher has warned that the rioting "risks undermining" the criminal justice process into an allegation of a sex attack on a teenage girl in the Co Antrim town at the weekend.