Olympics-Security to be boosted following pitch invasion

PARIS - Paris Olympics organisers said they would boost security at the Games and ensure security staff are available and well trained after a pitch invasion at a soccer match between Argentina and Morocco on Wednesday. Organisers said the incident during the opening match of the soccer tournament - in which security staff chased fans around the pitch at Saint-Etienne Stadium - had not posed a major security risk and that lessons would be learned. "We do not minimise the events of yesterday," O