Bread Furst, a neighborhood bakery in Northwest D.C. (April Greer)

A person with a gun held up Bread Furst during the Tuesday afternoon lunch hour, forcing the upscale bakery on Connecticut Avenue to close for the day as D.C. police investigated.

One person was seriously injured and taken to a hospital, according to D.C. fire department spokesman Tim Wilson. Authorities did not provide additional details about the incident, which occurred about 12:30 p.m.

D.C. police classified the incident as an assault with intent to rob with a gun. They could not immediately say whether anything was taken. Authorities also had no description of a potential suspect, and the attempted robbery was not listed on the department’s Twitter feed.

Lt. Sean Conboy, a police spokesman, confirmed the incident at the store in the 4400 block of Connecticut Avenue NW, tucked between a car wash and an apartment complex north of the University of the District of Columbia and near the Van Ness Metro Station.

A woman who identified herself as the store’s general manager but would not give her name said the shop was closed, and that there were no customers inside when the attempted robbery occurred. Police said there have been no arrests.

Bread Furst’s owner, Mark Furstenberg, a top chef in Washington, could not immediately be reached for comment. The bakery opened in Washington in May 2014 and boasts bread, pies and pastries considered among the best in the city.

Tim Carman contributed to this report.