World Blog - NBC's Tehran correspondent answers questions about Iran-Israel tension Concerns that Israel will attack Iran in an attempt to prevent Tehran from developing nuclear weapons have been escalating -- particularly since it was reported that the U.S. Defense Secretary Leon Panetta said he believes there is a "strong likelihood" that Tel Aviv will launch an offensive sometime this spring. As tensions continue to rise, Iran's Supreme Leader Ayatollah Ali Khamenei said during Friday prayers that Iran will help any nation or group that confronts the "cancer" Israel. He also said during his remarks that were broadcast on state TV that Iran country would continue its controversial nuclear program, and warned that any military strike by the U.S. would only make Iran stronger. Ali Arouzi, NBC News Tehran Correspondent, responded to reader questions about the tension between the two nations earlier today. Click below to replay the chat.