Ukraine building 'dirty bomb', Russia alleges

• Russian media cited an unnamed source on Sunday as saying that Ukraine was close to building a plutonium-based "dirty bomb" nuclear weapon. The TASS, RIA and Interfax news agencies quoted "a representative of a competent body" in Russia on Sunday as saying Ukraine was developing nuclear weapons at the destroyed Chernobyl nuclear power plant that was shut down in 2000. Meanwhile, Ukrainian President Volodymyr Zelensky said the third plant currently under threat is the Yuzhnoukrainsk nuclear power plant. Russian forces have now seized two Ukrainian nuclear power plants and are advancing toward a third, Ukraine’s president said during a call with U.S. senators Saturday. Watch the full video for more.