british defense officials say russian forces are making little progress trying to circumvent mykolaiv in southern ukraine. they say it's likely to exacerbate the humanitarian situation. cnn's nick paton walsh is live for us in mykolaiv, ukraine. nick? >> reporter: brianna, this is a city which over the last few days began to feel a little more relaxed. it had been the scene of tire barricades which the local government asked people to put out in case the russians came out and they engaged in street-to-street fighting. because we saw them pushing back down the road from here towards kherson, the first major city that russia occupied, and really