with the polish president. pelosi, fresh off a surprise visit to kyiv where she became the highest ranking u.s. official to meet with ukraine s president zelenskyy sin the war began. scott is live inside ukraine now. scott, good morning. what are the on again, off again efforts in mariupol? reporter: they are giving us precious little information. officials say they don t want to jeopardize the success of the operation which is ongoing. the ukrainian military commander inside the plant said there are 200 civilians including 20 children who need to come out. he said overnight there was intense bombardment of the plant that began after evacuation finished for the day. for a one-hour period of time overnight, it is not clear what impact that is going to have on the success of the operation