. >> john coren has seen a few things in his 85 years. how does he rate the storm an f- 1 tornado that barreled through his house last friday? >> the worst. the worst thing i've ever experienced. >> even a week later, the damage inflicted by the storm was still causing headaches to some local businesses here. >> i guess we were down to one day. i'm down to two days. yeah, we can only do what we can do. >> i hate to say it. it's a great thing. >> and for tree experts. the tree produced a mini boom in their business. >> one tree on top of another on top of an another. more and more, we've been here all week. >> for first responders, last friday's storm is a critical lesson learn that could only help in future disasters. >> we see an f-1 tornadoes could do, and it gives us the awareness of what a greater magnitude tornado could do if we experience one. also, it has the opportunity, when the events occur, allows us to put the plans we have in place, and study them afterwards and look for depths of opportunities. >> the cleanup may fade from t

coren live in kabul. what is the late theft morning? >> reporter: john, it was only really a matter of time before anger spread to the streets. the government was trying to keep a lid on it. obviously banning youtube so people couldn't view that video. today we saw that anger, some 300 people took to the streets about 5 kilometers from the u.s. embassy. they aing toed police officers, 15 officers, including the commander were hurt. we're getting reports of more but we're trying to get confirmation. th they set two police trucks on fire. they were burning tires as well. we got relatively close to the protest. >> a region of such immense concern this morning, anna, for u.s. forces there. because this other wave of green-on-blue attacks, these insider attacks, we keep on seeing is them there. >> reporter: that's exactly right, john. early sunday morning, four u.s. soldiers were killed when an afghan police officer turned his gun on the soldiers that were training him. this was something we are saying time and time again. on saturday it was two british soldi