Iran nuclear talks: 'Historic' agreement struck

World powers have reached a deal with Iran on limiting Iranian nuclear activity in return for the lifting of international economic sanctions.

Iran Talks Breakthrough Seen as UN Expects End to Military Probe

United Nations monitors say they’ll be able to assess the possible military aspects of Iran’s past nuclear program by December, overcoming one of the last remaining hurdles to a deal between world powers and the Islamic Republic.

Oil price slide and sanctions 'cost Russia $140bn'

The falling oil price is costing Russia up to $100bn a year, while Western sanctions have hit the country by $40bn, its finance minister has said.