BROOKLYN, N.Y. - Police have released new surveillance video of four men wanted in a string of assaults and attempted robberies in Brooklyn.

All three attacks were on Hasidic Jewish men and happened within about 40 minutes in Williamsburg early Monday morning.

The first was around 5 a.m. on Ross Street.

The victims were punched and had their pockets searched, but nothing was taken. 

The NYPD's hate crimes unit is looking into the attacks and 

Mayor Bill de Blasio says the police department is increasing patrols in Williamsburg. 

Governor Andrew Cuomo has directed the state police hate crimes task force to investigate the attacks as well. 

The victims are all expected to be okay.