Real Madrid's Karim Benzema (2nd R) takes part in a training session at Real Madrid's training grounds in Valdebebas, outside Madrid, July 21, 2010. French soccer internationals Franck Ribery and Benzema were placed under judicial investigation on Tuesday on suspicion of soliciting sex with an under-age prostitute, the Paris public prosecutor's office said. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER)