Russia may be hiding lunchbox-sized signal repeaters inside Kyiv to help guide deadly drones past defenses, a weapons expert told Fox News Digital.

A lab worker has died in Russia's Irkutsk region and nearly 200 people are under watch, as the White House monitors the suspected plague case.

Russia launches "anti-epidemic" measures after an employee at a plague research center in the Irkutsk region of Siberia became infected with an unknown type of pneumonia.

Ukrainian President Volodymyr Zelenskiy said on Sunday he believed Russia may have shared jet-drone technology with its longstanding ally North Korea.

Oct 4 (Reuters) - Russia will intensify strikes on Kyiv and other parts of Ukraine, the Russian Defence Ministry said on ​Sunday, responding to an interview with Ukrainian ​President Volodymyr Zelenskiy in which he vowed ⁠increased attacks on Russian refineries.

A 28-year-old anti-plague researcher died after developing severe pneumonia, prompting quarantines and contact tracing in Siberia. The case has raised questions over a possible lab exposure even as officials say no wider outbreak has been found.

As Russia continues to pound Kyiv, Ukraine vowed to hit back but Vladimir ‌Putin's Defence Ministry has warned any type of retaliation will be met with more severe attacks

President Volodymyr Zelensky says Ukraine will keep striking Russian refineries despite Trump's calls to spare energy targets.