JOHANNESBURG - Prime Minister Mark Carney evoked the legacy of Nelson Mandela in praising efforts by fellow leaders to collaborate amid global volatility, as Canada sought more trade partners and promoted multilateralism at the G20 summit in Johannesburg.

"At a time when too many countries are retreating into geopolitical blocs or the battlegrounds of protectionism, Canada believes that the G20 must remain a bridge," Carney told reporters Sunday.

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