It's a year since President Donald Trump began re-imposing sanctions on Iran, three months after announcing the US was withdrawing from the landmark nuclear deal.

The Trump administration has called these "the toughest ever" sanctions imposed on the country. It says they are only aimed at the government, not ordinary Iranians.

But sanctions are affecting day-to-day life in Iran and these five items help explain the impact.

Produced by Elise Wicker, Camelia Sadeghzadeh and Derrick Evans; art direction by Alice Grenié; executive production by Charlie Newland