*This is not a bluff,* Defense Secretary Lloyd Austin said Friday about the potential for a Russian invasion of Ukraine in an exclusive interview with ABC "This Week" co-anchor Martha Raddatz.

"He has a number of options available to him and he could attack in short order," Austin told Raddatz in an interview conducted in Powidz, Poland, where Austin had come to visit American and Polish troops.

https://tinyurl.com/yck3vvxd