During construction work, an English five hundredweight bomb was found in the Oberhausen district of Osterfeld on Thursday.
As the city announced, the munitions clearance service of the Düsseldorf district government should defuse the chance find on the same evening.
Buildings in which around 800 people were reported to be had to be evacuated within a radius of 250 meters from the danger area.
Oberhausen - A senior citizens' residence was also affected.
In addition, the city announced roadblocks in the area for the evening.
dpa
