Police: Suspects tied up, robbed and assaulted accounting firm employees

Police are looking for two people accused of robbing an accounting firm and assaulting two employees in Brooklyn.
It happened Thursday around 5:40 p.m. inside Y and I Accounting on Roebling Street in Williamsburg.
Police say at least one of the men was dressed as a FedEx employee when he walked into the business and pistol whipped and shocked a 60-year-old man with a stun gun before tying him up.
They say the suspects also tied up a 19-year-old woman working at the firm.
They got away with $1,000, according to police.
The 60-year-old man was taken to Bellevue Hospital and treated for a cut to his head.
Medical treatment was also given to the 19-year-old woman at the scene.
Police say no arrests have been made.