Investigative Committee of Russia/Handout via REUTERS A deadly drone strike on Russia’s main bridge to Crimea on Monday sent scores of Russian tourists fleeing the region, leading to traffic jams and panicked messages from vacationers desperate to get out.The jam-up of vehicles leaving Crimea to the Russian-annexed Kherson region stretched for 5 km on Monday night, according to Russian state news agency RIA Novosti. Live footage broadcast on Russian state media channels showed additional traffic