A suspect has been taken into custody following the detonation of an explosive device outside a federal building in Manhattan on Monday morning.

The facility houses several key U.S. agencies, including the Federal Bureau of Investigation (FBI), Immigration and Customs Enforcement (ICE), and Citizenship and Immigration Services.

Authorities confirmed the incident involved an explosive device, with the suspect apprehended shortly after the blast.

Financial markets showed no immediate reaction to the news, with equity indices and Treasury yields trading within normal ranges.

The lack of a sharp market move suggests investors are treating the event as an isolated security incident rather than a systemic threat or a precursor to broader geopolitical escalation.

However, heightened security protocols in New York City could temporarily disrupt business operations in the financial district.

The explosion comes amid a period of heightened vigilance for U.S. federal facilities.