chris clackum, nbc news. >>> a lot of your kids head back to school tomorrow and you can find plenty of stories to get ready for the big day on nbcwashington.com. just search back to school. and of course watch news 4 today tomorrow morning for our live team coverage of back to school in northern virginia. our northern virginia reporter david culver will join us along with transportation reportered a democrat tuesday ed a democrat tuesday adam tuss to help you get around. >>> new projectiles fired off by north korea and landed in waters off the northeast coast. is this the latest this what is being described as an unusually large number of missiles and rockets test launched this year. it came just days after the north refused to take part in the asian games in south korea. back to you. >>> latest on the crisis in iraq. the u.s. military says it has carried out two more air strikes against isis targets in the northern part of that country. the air strikes were carried out by fighter skrets an unmanned drones. it brings the total number of air strikes across iraq since august 8 to 120.

. >> chris clackum tells us more about the danger that can happen at the bus stop. >> reporter: watch what happens last may when a school bus in minnesota stops to pick up a student. a semi truck flies past the bus' lowered stop arm and flashing lights and on the shoulder headed right toward a 7th grader. >> he came here, wouldn't stop. so i just backed up a little. >> as the semi went by, there is nothing but dust and i thought she was dead. all of a sudden her little face appeared. >> reporter: the truck driver turned himself in reportedly admitting to being distracted, an example of a sudden surge of dangerous driving in school zones or around school buses that they blame mostly on distracted drivers. >> in 2013, 2 million more drivers passed school bus stop arms than they did in 2011. there is no question that distracted driving plays a role. >> reporter: much of that information is coming from school bus drivers and backed up by on-board video like this from west virginia. when the bus driver blows his horn, yells at the drivers of two cars oblivious to the bus. the third blow, t

. >> chris clackum takes a look at what this means for customers. >> reporter: cvs' decision to quitg to tobacco users has lit up the 80% of american adults who don't smoke, dip or crew. >> i commend them for willing to lose revenue from cigarette sales. >> reporter: cvs is ditching tobacco to help promote its image as a healthcare provider. >> the fact that we're delivering healthcare in a retail environment and at the same time selling tobacco, that contradiction was growing for us. >> reporter: the retailer also has a new corporate name. cvs health. there are critics, even among those who don't smoke. >> people need to make their own decisions. >> reporter: there's disappointment in the tobacco industry. a spokesman said -- especially tobacco users don't like it. >> quit selling them, have i to go from here to somewhere else, which is to take business from them. >> reporter: cvs estimates it will lose $2 billion a year in sales to customers like that. which is not very much considering that the company's overall sales figures are around $126 billion a year. anti smoking advocates

chris clackum, nbc news. >>> and for many of you, tomorrow is the big day.know you're going to be taking a lot of pictures. we'll be posting the ones you tweet to us on nbcwashington.com. just search back to school. and be sure to watch "news 4 today" for our live coverage across northern virginia. we'll be on the air starting at 4:26 a.m.. >>> we all know getting our kids back into a regular routine one of the big challenges as they head back to school. >> it will be a real shift for a lot of people. some parents turn to the over the county remedies to try to help them sleep, but coming up, why some say that could be dangerous. >>> and bracing for more storms possibly. the threat showers could rain out your holiday plans with your forecast at 5:31. >>> plus remembering a hero. the emotional tribute too a national guard pilot killed in a crash in the virginia mountains. >>> and if you can't be in front of your tv, you can watch "news 4 today" on the go. just download the nbc washington app from the app store or google app from the app store or google pla - o