A bomb is assumed to have caused the blast, which occurred in the region's capital.
A bus blast in Tiraspol last month killed eight people.
Transdniester broke away from Moldova 16 years ago.
(AFP, Reuters, AP)
RFE/RL Belarus, Ukraine, And Moldova Report
SUBSCRIBE For weekly news and analysis on Belarus, Ukraine, and Moldova by e-mail, subscribe to "RFE/RL Belarus, Ukraine, And Moldova Report."