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Tougher times for Singapore's banks?

2 August 2013 Last updated at 04:09 BST

Singapore's three biggest banks have come under the scrutiny after tougher new banking rules came into effect last month.

One international ratings agency has also downgraded their outlook.

DBS, UOB and OCBC have all reported strong earnings in the last quarter but these profits may not be so easy to hold onto in the months to come.

The BBC's Sharanjit Leyl reports.