NDTV In Warzone Ukraine: Vishnu Som Reports From Ukraine's Lviv

Crossing over the border from eastern Poland into the Ukraine region has been extremely difficult, there are multiple checkpoints on the way and all along the route there is an incredibly large security apparatus, says NDTV's Vishnu Som who is in Lviv. Lviv is the largest Ukrainian city in the western part of this country and there are lots of diplomatic mission here, which have relocated from Kyiv, and has become a diplomatic front.