Iran vows revenge after assassination of top nuclear scientist
Mohsen Fakhrizadeh gunned down near Tehran; Iran blames Israel; UN, Germany urge restraint.
Iran vowed revenge on Saturday for the assassination a day earlier of its top nuclear scientist, Mohsen Fakhrizadeh, raising the threat of a new confrontation between the Islamic Republic and the West with just over seven weeks left of US President Donald Trump’s term in office.