Republican senator Chuck Grassley tests positive for coronavirus

• Grassley, 87, is the longest-serving Republican senator
• Iowa senator says he's not experiencing any symptoms'

Chuck Grassley, the longest-serving Republican senator, announced Tuesday he had tested positive for coronavirus.

Grassley, 87, the senior senator from Iowa, said earlier in day that he was quarantining after being exposed to the virus and would work virtually as he waits for results of a test. He did not say how he was exposed.