Dhananjaya Lakshan has suffered a knee injury during a training session in England, according to Sri Lanka Cricket.
The all-rounder was injured while fielding during a practise session on Monday.
Currently undergoing treatment, Lakshan will miss the two intra-squad practise matches held in preparation for the limited overs series beginning next week against the hosts.
Sri Lanka are in England for three World Cup Super League ODIs and a three-match T20I series.
The tour begins with the first T20I in Cardiff on June 23.
© Island Cricket