London Irish flanker
forward Mike Coman has been forced to retire after a long-term hamstring injury.
The 31-year-old former Edinburgh and Wellington Hurricanes player has been out of action since February 2018.
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He will return to his native New Zealand at the end of the season after being unable to make a full recovery from the injury.
Coman helped Irish to promotion from the Championship in his first season with the Exiles in 2016-17.