Senator John McCain, who had a blood clot removed late last week, has been diagnosed with brain cancer. The Mayo Clinic in Phoenix announced the discovery of a tumor in the senator's brain late this evening. No word and prognosis, but the type of cancer he is facing is usually treated with a combination of chemotherapy and radiation. This story is developing and we will have the latest information as it becomes available.

His daughter Megan McCain who is a radio host and FOXNews contributor look out on social media late Wednesday. daughter Megan McCain who is a radio host and FOXNews contributor look out on social media late Wednesday.