US 'watching closely' after plague researcher dies in Russia, Rubio says
Summary
The US says it is monitoring the case of a lab technician who died at a plague research centre in Siberia. Donald Trump says the US was looking "very strongly" at the case of a lab technician who died at a research centre in Siberia. Donald Trump says the US was looking "very strongly" at the case but had not discussed it with the Kremlin