hello, amy. hi, bret. it s 1:00 a.m. in kiev, and there s no sign any of this is going to die down. riot police have stormed unless square, the former u.s. ambassador to ukraine has suggested there are just two ways this crisis can be resolved, eerlth by a major crackdown by the government or significant concessions by the government, but there s no sign that either of those has happened or will happen so there s a lot of fear that an all-out government assault could still come here. in the meantime, already 18 people have been killed. over 100 injured in the capital kiev. you can see the fires are raging in the center of town. some of them are bonfires, others are tents that have caught fire. stun grenades and water cannons have been used by police. protesters are wearing body armor, and all of this, the most violent night after three months of protest that has heated up and died down. it was sparked by yanukovych rejecting a deal that would have brought ukraine closer int