By Philip Duncan, Press Association Sport F1 Correspondent
Published: 11:07 BST, 5 June 2019 | Updated: 11:16 BST, 5 June 2019
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Lewis Hamilton is set to receive a boost in his quest for the world championship, with Mercedes to unleash an upgraded engine for this week's Canadian Grand Prix.
Hamilton's peerless Mercedes team have dominated the new campaign, finishing first and second at all but one of the opening six rounds.
The Briton, with four victories under his belt, is 17 points clear of team-mate Valtteri Bottas and 55 ahead of Ferrari's Sebastian Vettel in the championship standings.
Lewis Hamilton is set to receive a new engine in his Mercedes ahead of the Canadian GP
And world champions Mercedes are poised to strike another blow to their rivals with the planned