Complex sentence: In December 1997, IRA prisoner Liam Averill escaped from the prison dressed as a woman during a Christmas party for prisoners' children.However Checkpoints manned by the Royal Ulster Constabulary and the Royal Irish Regiment were quickly put in place and he was soon recaptured.
Split into simpler sentences: In December 1997, IRA prisoner Liam Averill escaped from the prison dressed as a woman during a Christmas party for prisoners' children. However checkpoints manned by the Royal Ulster Constabulary and the Royal Irish Regiment were quickly put in place and he was soon recaptured.