Watch: Iran says scientist killed ‘remotely’; blames Israel l Latest updates

A top Iranian security official has alleged that Israel used 'remote, electronic devices' to kill its top scientist Mohsen Fakhrizadeh. 'Unfortunately the operation was a very complicated operation and was carried out by using electronic devices. No individual was present at the site. We have found clues and the person who designed the operation is known to us. We know who they are and what their background is,' Ali Shamkhani, secretary of Iran's Supreme National Security Council said. Officials had originally said that Mohsen Fakhrizadeh, a veteran scientist who worked on nuclear and defense projects, was killed outside Tehran on Friday in a bomb and gun attack. Watch the full video for all the details.