Detroit police reportedly arrested and then released four men near the Detroit Water and Sewerage Plant this morning.
The men were arrested around 3 a.m. near a plant intake facility near Dearborn and West Jefferson Avenue along the Detroit River in southwest Detroit, WDIV-Local 4 reported. Several manhole covers in the area were reportedly removed and the men were found with a laptop computer and binoculars.
Federal authorities and Detroit police questioned the men. The suspects were released, but authorities kept their computer to investigate, according to the station's reports.
City of Detroit security and officers from the Detroit Police Department's 4th Precinct reportedly patrol the area. The Detroit Water and Sewerage Department supplies water to the city of Detroit and several suburbs in the metro area, the station reported.