MOSCOW, Russia (AFP) – Russian air defense troops downed a Ukrainian drone as it approached an air base in southern Russia and three people died after being struck by debris, Russian news agencies said Monday. It was the second attack on the Engels base this month. Engels, in the southern Saratov region, lies more than 600 kilometres (370 miles) from Ukraine. “On December 26, at around 01:35 Moscow time (2235 GMT), a Ukrainian unmanned aerial vehicle […]