![A general view of the o2 Arena as Switzerland's Roger Federer competes against Great Britain's Andy Murray during the Barclay's ATP World Tennis Tour Finals at the O2 Arena, London Stock Photo - A general view of the o2 Arena as Switzerland's Roger Federer competes against Great Britain's Andy Murray during the Barclay's ATP World Tennis Tour Finals at the O2 Arena, London Stock Photo -](https://c8.alamy.com/comp/GC6D68/a-general-view-of-the-o2-arena-as-switzerlands-roger-federer-competes-GC6D68.jpg)
A general view of the o2 Arena as Switzerland's Roger Federer competes against Great Britain's Andy Murray during the Barclay's ATP World Tennis Tour Finals at the O2 Arena, London Stock Photo -
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O2 Arena, London, UK. 16th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; General
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Security stepped up at ATP World Tour Finals after Paris terror attacks | ATP World Tour Finals | The Guardian
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