Iranian nuclear scientist killed in motorbike attack
An Iranian nuclear scientist has been killed and another wounded in two separate but similar attacks in the capital, Tehran.
The scientists were targeted by men on motorbikes who attached bombs to the windows of their cars as they drove to work, officials said.
The scientist killed has been named as Majid Shahriari, of Shahid Beheshti University in Tehran.
Another scientist was killed in a bomb blast at the beginning of the year.