In a new audit, the FAA will look to identify any caps in procedures, equipment or process at the country’s 45 busiest airports. Recommendations to further reduce the risk of runway close calls are expected by next year.

The Pentagon has confirmed that thousands of North Korean troops are training with Russian forces at three specialized military sites inside Russia. Ukrainian President Volodomyr Zelenskyy is warning that Russia may send those forces to Ukraine and U.S. Defense Secretary Lloyd Austin calls the development a very serious escalation. Isaac Stone Fish, CEO and founder of China-focused research firm Strategy Risks, joined CBS News to discuss why the North Korean troops are in Russia and what it could mean for the world.

An Arizona man is in custody after police say he shot at a Democratic party campaign office in Phoenix. Jeffrey Michael Kelly, 60, was arrested Tuesday. Officials say they found more than 200 guns and over 250,000 rounds of ammunition in his home, leading them to say he may have been planning something more.