17 July 2012 Last updated at 13:05

London 2012: Team GB boosted by Na Liu - Kelly Sibley

Na Liu's ability and experience is having a positive impact on the Team GB table tennis squad, according to team-mate Kelly Sibley.

Liu was raised in China but has lived in Northern Ireland since 2001 and gained British citizenship in 2008.

The Belfast player joins Sibley and English national champion Joanna Parker in the women's team.