WHITFIELD: ISIS is claiming responsibility for a horrific attack near Cairo. Eight policemen were killed when gunmen opened fire on a minivan filled with plain clothes officers. As CNN's Ian Lee explain this attack break a relative calm in Egypt.</s>IAN LEE, CNN CORRESPONDENT: Fredricka, this was the deadliest attack in Cairo by insurgents since the 2011 revolution. Late last night, gunmen ambushed a mini van carrying eight policemen who were conducting regular security checks. All of the policemen were killed. We're hearing over 100 spent bullet casings were found at the scene. That gives you an idea of the fire power used. The insurgents then stole the policemen's guns and melted back into the night. ISIS claimed responsibility in a statement saying it's revenge for women held in Egyptian prisons. The area where the attack took place Halwan (ph) is known for being sympathetic to the Muslim Brotherhood and militant Islamists. Egyptian security forces have locked down the scene with the Interior Ministry saying they will hunt down the gunmen and continue the fight against terror. But what makes the attack particularly notable is that there has been a lull in violence here in the capital. In 2014 and in 2015, there were small bombs going off almost on a weekly basis. We haven't had an attack for months. This is a sharp contrast, though, to the ongoing and very deadly battle raging between security forces and militants in the northern Sinai where you have soldiers dying almost on a daily basis. ISIS recently released a video showcasing their attacks on the peninsula and called for more people to join them. They also warned that more attacks like what we saw last night are to come. Fredricka.</s>WHITFIELD: All right. Thanks so much, Ian Lee. The garden state feeling the Bern today. Bernie Sanders expected to address voters at that New Jersey rally in just about 30 minutes or so from now. Stay with us.
ISIS Claims Ambush of 8 Policemen in Cairo