once the _ to the south. what we saw yesterday once the fighting was under way was an advance _ once the fighting was under way was an advance from crimea, territory at the russians— an advance from crimea, territory at the russians seized from ukraine back the russians seized from ukraine hack in— the russians seized from ukraine back in 2014, so tanks have been seen _ back in 2014, so tanks have been seen moving into the southern part of ukraine — seen moving into the southern part of ukraine here. there has also been fighting _ of ukraine here. there has also been fighting around kharkiv in eastern ukraine _ fighting around kharkiv in eastern ukraine and perhaps, more interestingly, also movement from belarus _ interestingly, also movement from belarus a — interestingly, also movement from belarus. a different country but russian — belarus. a different country but russian troops are based there. they have been_ russian troops are based there. they have been moving south from belarus. you will _ have been moving south from belarus. you will see _ have been moving south from belarus. you will see chernobyl, the site of the nuclear— you will see chernobyl, the site of the nuclear accident in 1986, has now changed hands and is under the control— now changed hands and is under the control of— now changed hands and is under the control of the russians. perhaps the most _ control of the russians. perhaps the most significant battle of yesterday took place here. an air base just outside — took place here. an air base just outside kyiv. crucially very important if the russians were going to very— important if the russians were going to very quickly get troops on the ground _ to very quickly get troops on the ground and moved for an early strike in kyiv _ ground and moved for an early strike in kyiv. those helicopters are the