Actor Vishal, who is now shooting for director Adhik Ravichandran's 'Mark Antony', has sustained an injury to his knee while filming an action sequence for the film.
Sources say the unit, which has been shooting in the city for the last week, was filming an action sequence on Wednesday.
Vishal, who has already sustained two major injuries to his leg while shooting for 'Laththi', again sustained a serious blow to his knee.