As senators seek more information, the US fires down a fourth high-altitude object.

The US military shot down a fourth unidentified object on Sunday and hopes to recover it. Officials stated there was no evidence of collateral damage and that the object ended up in the lake. "Its path and altitude raised concerns, especially that it could harm civil aircraft." Rep. Jack Bergman, R-Mich., acknowledged in a tweet Sunday that he had spoken with the Department of Defense about the Great Lakes operation. He said that the....