City, without a win in their last five away games, looked composed without ever moving into top gear.

BBC: Paul Scharner celebrates his second goal of the season

It was a fitting flourish to another outstanding display by Rooney as United continue to move ominously into top gear.

BBC: Man Utd 3-0 Celtic

This debate will shift the campaign into top gear.

ECONOMIST: Germany's election

The Murray serve kicked into top gear in the closing stages and, with the watching Federer and Rafael Nadal getting a taste of the atmosphere inside the arena, the Scot broke again with a backhand winner to secure an impressive win in two hours 10 minutes.

BBC: Andy Murray beats Del Potro in ATP Finals opener

As the summer movie season kicks into high gear, we tracked the top stars of the generation.

FORBES: Top Stars Of Their Generation