Morning 4: Person of interest in custody after hit-and-run critically injures child — and more news

A person of interest is in custody after a hit-and-run in Oakland County critically injured a child. Macomb County is launching a pilot project to remove algae from Lake St. Clair. An inmate in Macomb County has been charged with first-degree murder following a cellmate attack. The US and Iran are escalating conflict over the Strait of Hormuz.