the situation is changing. > very dangerous. they need to be careful out there. >>> a flight makes an emergency landing while being escorted by two f-16s. the delta air lines flight to los angeles was diverted to tucson, arizona, after a passenger allegedly threatened the flight crew. a passenger recorded the man being removed from the plane by the authorities. now police say there was no threat to public safety. >>> and polls are now open in britain whether to withdraw from the eu. opinion polls show the vote too close to call with a record number of citizens registering to vote in the referendum. opponents of the exit called the brexit say it would be a mistake to leave the largest single market in the world. those calling for withdrawal say the eu is dysfunctional. britain is a major portal for u.s. trade in europe and the vote is likely to have a big effect on financial markets. >> to presidential politics and donald trump blistering attack on hillary clinton. he delivered a fairly subdued but scathing speech using a teleprompter. he bashed clinton over her record and her character and accuses her of lies as well as corruption. more now from abc's tom

the entertaining skies with delta air lines. starting july 1st, the airline will offer all movie, tv shows and music free of charge to all passengers. delta claims it will be the only u.s. airline to offer all in-flightertainment for free. >>> speaking of entertainment, we all know this. kids and teens, they love listening to the loud music but it turns out now they're paying a pretty high price. a new study finds a quarter of 11 to 17-year-olds exposed to loud music had a persistent ringing in their ears and were more likely to be very sensitive to loud noises. that's a sign of hidden damage to the nerves which can lead to hearing impairment later in life. >>> got a question for you, would u.s. teens be slimmer if their favorite music stars promoted healthier foods? >> researchers at new york university believe the hottest teen music heartthrobs may be contributing to the obesity epidemic. about 80% of celebrity endorsed food ads were high calorie products including fatty fast food, snacks and soda. the study does not prove a link but researchers say those ads can influence behavior and the results can have a negative impact. >>> all right. turning to this now. some special dogs got to show off this