By Alex Marquardt, Helen Regan, Hamdi Alkhshali, Artemis Moshtaghian and Adam Pourahmadi, CNN (CNN) — Israel has carried out a military strike inside Iran, a US official told CNN Friday, the latest move in a dangerous escalation that threatens to push the already volatile region into all out war. The US was given advance notification Read this story at KTVZ , KEYT , KTVZ