An emergency situation was declared in Pazardzhik district, central southern Bulgaria, after heavy rains caused extensive flooding in the area.
Houses in a number of towns and villages in the region have been flooded.
The main road between Pazardzhik and Plovdiv is closed because of encroaching water.
Earlier Monday afternoon authorities announced that a stretch on the Trakiya highway connecting Bulgaria's capital Sofia with second-biggest city Plovdiv has also been flooded and a reduced speed limit has been imposed.
A number of other roads in the Pazardzhik district are threatened by flood water.
Two of the local rivers have gone out of their beds.