ukraine is not directly claiming responsibility, but the fire has was hardly extinguished by the time ukraine began trolling russia. the ukrainian government s official twitter account tweeting sick burn. it was featured in a russian rom com. now ukraine is giving its own hollywood treatment you might say. ukraine has new stamps with figures of leonardo dicaprio and kate winslet in their famous pose from titanic tierchg tita instead they re on the kerch bridge. there was a video tweeted of marilyn monroe famously singing happy birthday to jfk. take a look. happy birthday to you happy birthday to you happy birthday mr. president happy birthday that is epic trolling. fred pleitgen has the latest from the ukrainian capital kyiv. fred, what s the latest from where you are? reporter: i hi there, we see the russians and ukrainians blaming each other for what happened on the kerch bridge, on the crimean bridge. a senior adviser to russian president vladimir putin comin