a security scare at honolulu's airport. false reports of an active shooter causing widespread panic and confusion. witnesses say the chaos started when laptops over heated inside luggage at a checkpoint. >> there was some smoke coming out of one of the scanners and the tsa agent started yelling fire and told everyone to start running, to get out. six more came from the other side and started yelling, run, get out. run. there's a fire. everyone started stampeding each other. women were being knocked down, kids. people's belongings were being trashed. >> the main terminal was evacuated. thousands of passengers waited outside until the facility was re-opened four hours later. tsa officers making what they called a shocking find inside a man's carry on bag at newark liberty international airport. an x-ray spotted six smoke grenades sunday all neatly wrapped in bubble wrap.