sky news special correspondent, alex crawford, spent the last two days trying to get into the city near mariupol. she was trying to get help to the city. we have to worn you it's a report that contains graphic images. watch. >> inside the city, there are bombed houses and buildings on fire everywhere. there's still an estimated 150,000 people trapped inside this city. it's strategically important because it stands across the route chosen by russia. we cannot cope with all the dead, the mayor says. it's carnage. we take refuge in a gym in a basement with a group of voluntary soldiers.