An explosion occurred outside a federal building in Lower Manhattan on Monday morning. Authorities have confirmed the incident involved an incendiary device. Police sources report a suspect has been taken into custody following the blast, though details regarding the individual and their motives remain unclear. The New York Police Department is currently investigating the situation and securing the area surrounding the Federal building. No injuries have been immediately reported, but officials are assessing the extent of any potential damage. The incident prompted a significant emergency response, with numerous police and emergency vehicles converging on the scene. Further updates will be provided as the investigation unfolds.