Coast Guard Setting News Today : Breaking News, Live Updates & Top Stories | Vimarsana

the train derailment emergency in ohio. authorities release toxic chemicals from tanker cars. the race to recover that suspected chinese spy balloon shot down off the south carolina coast. the military saying the debris field is roughly 15 football fields by 15 football fields wide. what can the u.s. learn from the remnants? president biden on the eve of the state of the union address. our new reporting on last-minute changes to his speech. a day after she made grammy history, tickets to beyonce's new tour on sale. and the father, the daughter, and the bucket list in"inspirin...

Andrea mitchell now with the latest. >> reporter: tonight, the head of u.s. northern command says the ten-square-mile debris field from the chinese surveillance balloon has been narrowed to less than a square mile. the coast guard setting up a security zone around the crash site with the military saying the balloon was 200 feet tall with a pay load weighing more than 2,000 pounds. the president taking a hard line against china which today escalated its attacks, saying it reserved the right to retaliate against the u.s. >> we've made it clear to china what we're going to do. they understand our...