At least six have been killed by a Russian missile strike in the southern Ukrainian port city of Odessa, authorities said on Wednesday. Eleven others were injured, seven of them seriously. “The enemy’s target was once again the port infrastructure,” the region’s military governor, Oleh Kiper, wrote on Telegram. The governor said that a civilian container freighter flying the flag of Panama was also hit. The victims are Ukrainian citizens. This is the third attack on a civilian ship in the last four days, according to Kiper. Russia is trying to block the grain corridor set up by Ukraine. Russia…