Multiple agencies are responding to prevent any potential environmental damages after a tug partially sank at its moorings on the Kinnickinnic River in Port Milwaukee.The Coast Guard said its watchstanders at Sector Lake Michigan were notified by the National Response Center at 11:27 a.m.Multiple agencies are responding to prevent any potential environmental damages after a tug partially sank at its moorings on the Kinnickinnic River in Port Milwaukee.The Coast Guard said its watchstanders at Sector Lake Michigan were notified by the National Response Center at 11:27 a.m.MarineLink NewsRead More