Police barrier outside the Regency Airport Hotel in Dublin following a fatal shooting incident at a weigh-in on February 5, 2016. Photo by Caroline Quinn/AFP-Getty Images.

The ITV news in the U.K. has reported that a shooting which took place at an official weigh-in has resulted in the death of one man and injuries to three others in Dublin, Ireland.

Three men allegedly entered the Regency Airport hotel dressed as police officers and opened fire, with various reports indicating that key individuals were being targeted. Footage shows boxers and weigh-in spectators running for cover as panic ensues.

The show, which was to be headlined by Gary Corcoran versus Danny Butler at Dublin’s National Stadium, and be broadcast by BoxNation in the U.K., has been canceled. The promoters of the event were MGM and Queensberry Promotions.

An investigation is underway.