Image copyright Twitter Image caption Viewers can watch Wimbledon and post tweets about the action on the same screen

Select tennis matches at Wimbledon are being live-streamed on Twitter.

It marks the first time the tech firm has broadcast footage from a sports event in this way.

The high definition-quality stream is being offered in partnership with the TV network ESPN and the organisers of the Championships.

Several of Silicon Valley's leading tech firms are investing in live-streaming technologies.

Twitter bought Periscope in January 2015, before the app had formally launched.

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