This time it was sparked by the fatal stabbing of Darren Bennett, 18, who was stabbed to death early on Wednesday.
Friends of Bennett decided to avenge his death and targeted the various homes of members of the drugs family the suspected killer is associated with. A mob was formed and crowds of boys and girls went on the rampage, forcing some families to flee Moyross late on Thursday.
Some of the families had to get protection from members of the Armed Response Unit.
Thursday night’s riot is indicative of the scale of the problems in Moyross, which has a population of more than 4,000 people.
Half the population is under the age of 25.
Boys and girls roam around the estates, mostly at night, and many sooner or later come into conflict with the law.
They are also fodder for the more sinister organised criminals who use them to run lucrative drugs businesses.
But even left to their own devices, many of these dysfunctional teens are capable of mayhem of a frightening level.
Bennett was typical of many of these lost young people in Moyross.
He had run up a long list of convictions and his criminal graph was on an inevitable spiral.
While his death is not related to the main feud in the city, Bennett would have known feud gang figures who lived in Moyross.
Indeed some of the floral tributes left at the spot where he fell mortally injured bore the names of known feud gang members.
He had been at a St Patrick’s Day party in Moyross.
Many partygoers would have plied themselves with a plentiful supply of drugs and drink.
A row broke out and Bennett ended up on the side of the street at 2am last Wednesday with a massive stab wound to the stomach. He died less than an hour later in the Mid-West Regional Hospital.
A man connected to a known drugs family in Moyross was named locally as the main suspect.
The drugs family the suspect is associated with moved into Moyross about 10 years ago and live in seven different houses rented from Limerick City Council.
As Bennett’s funeral takes place today, gardaí will be on a full alert to prevent drink and drug-driven emotions gripping the estate.