A Russian politician has warned that tit-for-tat reprisals between the US and Iran in the wake of the killing of Qassem Soleimani could spark nuclear war. Vladimir Dzhabarov, a senior lawmaker in Russia's parliament, urged against escalation in the wake of Iranian ballistic missile strikes on Iraqi bases housing US troops in the early hours of Wednesday morning. The strike was in retaliation for the US killing Iranian military commander ...