North America

US - A vote on a Republican bill to raise the US's debt ceiling and prevent it from defaulting for the first time has been delayed.

CANADA/UK - The Ontario Municipal Employees Retirement System (OMERS) has signed a deal to acquire Scotland-based shipping services company V.Group for $520m.

CANADA/AUSTRALIA/EUROPE - The Ontario Teachers' Pension Plan has struck a deal with MAp Airports to exchange its interest in Sydney Airport and a cash payment for MAp's interests in Brussels Airport and Copenhagen Airport.

CANADA/US - The Canadian Imperial Bank of Commerce (CIBC) has acquired a 41% stake in US asset management firm American Century Investments in a move to increase its international asset management offerings.

CANADA/US - Apax Partners, the Canada Pension Plan Investment Board and the Public Sector Pension Investment Board have teamed up to purchase Kinetic Concepts in a $6.3bn deal.

US/UK - Russell Investments has appointed Len Brennan as president and chief executive, and as a director on the company's board.

CHILE/CANADA - The Ontario Teachers' Pension Plan plans to bid to increase its stakes in two Chilean water utilities.

CANADA - The Ontario Municipal Employees Retirement System will increase its contribution rate in 2012 as part of a pre-agreed plan for yearly rate hikes in the three years to 2013.

US - Consultant Wurts & Associates has hired Jeffrey Scott, the investment chief of the Alaska Permanent Fund Corporation known for spearheading a risk-based asset allocation, to serve as CIO of its outsourcing business.

GLOBAL - Have you missed the biggest stories in pensions this week? Find out below, as we list the top 10 most popular stories on www.globalpensions.com over the past seven days.