The NTSB is beginning its probe into a collision between two small planes in Watsonville, Calif. Authorities say three people and a dog died in the incident. (Aug. 19) Subscribe for more Breaking News: http://smarturl.it/AssociatedPress Website: https://apnews.com Twitter: https://twitter.com/AP Facebook: https://facebook.com/APNews Instagram: https://www.instagram.com/APNews/ ​ You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/945a411a38c24b11b1f7cc9a040565f9