Israel has put its embassies around the world on high alert on Saturday after Iranian threats of retaliation following the killing of a nuclear scientist near Tehran, Israeli N12 news reported on Saturday, Reuters reported.

A spokesman for the Israeli Foreign Ministry said the ministry did not comment on matters of security regarding its representatives abroad.

Iran has blamed Israel for the killing of Mohsen Fakhrizadeh, who died on Friday after gunman ambushed him in his car.