WATERLOO - Three people have been arrested in connection with a robbery and assault downtown early Sunday.

Police were called to the ramp at the corner of West Fourth and Commercial streets about 1:31 a.m.

As they were responding, they became aware of an aggravated assault that was occurring near the intersection of West Fifth and Cedar streets.

The three arrested were:

- Dareysha Tarbor, 25, of 408 E. Eighth St., Waterloo, second-degree robbery.

- Darsjon Tarbor, 17, of 408 E. Eighth St., Waterloo, second-degree robbery and willful injury.

- Darterio Tarbor, 21, of Anchorage, Alaska, second-degree robbery and willful injury.

Police gave no further information.