rescue efforts. more video captured what was believed to be a russian tank driving erratically through the streets of kyiv and rolling over a civilian car driving past. incredibly, the driver survived. and yet at this hour, the city of kyiv is holding the ukrainian military is putting up a fight and getting help from everyday citizens who are picking up arms with little or no training to stand against the russians. nbc s erin mclaughlin spoke with one man who was prepared to join their ranks. i m going to my family, to stay with them. reporter: do you know how to use that? to tell the truth, i m not good at it, but i understand. i just need to have some to find some quiet place and figure out how it works. reporter: you re going to google it, basically? yeah, google, youtube. it s not that difficult. probably. i hope i will not use it.