Complex sentence: The pubs stay open until 3.00 AM, which is a legal exception due to the fair as all bars in Ireland normally must close at 2.00 AM, this is a source of contention for the local police.
Split into simpler sentences: The pubs stay open until 3.00 AM, which is a legal exception due to the fair as all bars in Ireland normally must close at 2.00 AM. This is a source of contention for the local police.