13:11 – McLaren chief Zak Brown says the operation can expect a “substantial difference” in performance this season amid its alliance with new power unit partner Renault.

McLaren has ditched Honda after three years plagued by a lack of reliability and performance to link up with Renault, as it strives to move up the Formula 1 grid.

Speaking at the National Exhibition Centre in Birmingham, Brown expressed optimism that Renault has addressed the issues which influenced its 2017 campaign, and is expecting to profit from its gains.

“Renault has got the power, [they had] some reliability issues when they turned the power up,” he said.

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