Iran: US Senate approves new sanctions
2 December 2011 Last updated at 03:23 ET
The US Senate has unanimously approved economic sanctions on Iran targeting the country's oil industry, despite warnings the move could backfire.
The measures, passed by 100 votes to nil, would ban foreign firms from doing business with the Iranian central bank.
Before it can become law, it must be approved by the House and President Barack Obama, who is sceptical.
The effort to thwart Iran's alleged nuclear ambitions followed new EU sanctions imposed earlier on Thursday.
The BBC's world affairs correspondent Peter Biles reports.
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