>> the city purchased 3,600 of the dunks, giant chemical tablets placed in water to kill mosquitolar vafor up to 30 days. mosquito larva for up to 30 days. mayor bob buckhorn says with the public crisis already forming in miami they can't sit back and wait to act. >> there are nearly 4,000 abandoned properties in tampa rundown pools or anywhere that collects water for that matter will be a challenge. >> the lawyers are going to have to answer for me but clearly would make all the sense in the world. maybe just teach them to throw from the front yard to get it to the backyard. >> joking aside the city says they will find a way to get high risk areas treatedded even to if they are on private property. they are also asking for your help. to call county officials if you know of any mosquito hot spots. >>> today pres be in water-logged baton rouge. a lot of people depending on it. new numbers overnight show close to 110,000 people registered for federal assistance. the president will check up on clean-up efforts after a storm on august 12th brought two feet of rain to some areas. the flooding i