An American ballerina has been detained in Russia on suspicion of treason, the body of a missing 11-year-old girl was found in Texas, and Nikki Haley has vowed to continue her presidential campaign.

Wide disruption after AT&T cell phone outage; More medical facilities suspend IVF treatment after Alabama embryo ruling; Biden meets with Navalny's widow, praises the Russian opposition leader; and more on tonight's broadcast.