Shots were also fired on Tuesday during a new attempt to rescue civilians from the besieged Ukrainian port city of Mariupol, according to Kiev. “Ceasefire violated! Russian forces are now shelling the humanitarian corridor from Zaporizhzhya to Mariupol,” Ukrainian Foreign Ministry spokesman Oleh Nikolenko wrote on Twitter. Eight trucks and 30 buses were ready to deliver humanitarian aid to Mariupol and bring civilians to Zaporizhzhya, he added. “Pressure on Russia MUST be increased so that it keeps its commitments,” Nikolenko wrote further. There was initially no information on this from the R…