Cuba’s leader warned on Monday of a “bloodbath” in the event of an American attack, while the US Treasury sanctioned Cuba’s main intelligence agency and top leaders as tensions spiked between the arch-foes. President Miguel Diaz-Canel stressed Cuba’s right to defend itself a day after US news site Axios reported that Havana had obtained over 300 military drones from Russia and Iran and is considering using them against US targets. The report, which quoted US intelligence officials, came amid...