I had a defense line on the west side of Seoul for a couple turns but a group of battleships were able to cross it and attack the city without attacking the defense line...
I had a defense line on the west side of Seoul for a couple turns but a group of battleships were able to cross it and attack the city without attacking the defense line...
I also reported it in game if it helps
They probably just went around the defense line. During the battle phase all movements are shown as straight lines.