Gardaí investigate a fire at an Islamic prayer hall in Dublin that is being treated as a suspected arson attack. Several outlets report the incident occurs on the day the fire breaks out, prompting an emergency response. Dublin Fire Brigade is called to the scene and responds to the fire, according to one report. Police are carrying out an investigation into the cause and circumstances of the blaze, with sources describing it as suspected arson. Belfast Telegraph also reports that a man is arrested in connection with the incident. The reports indicate that Gardaí are working to establish what led to the fire and whether there are wider implications. No other details about injuries, the extent of damage, or specific motives are provided in the available summaries. The investigation remains ongoing as Gardaí follow up on evidence gathered at the scene and further inquiries linked to the arrest.