By Isabel Woodford and Valentine Hilaire MEXICO CITY (Reuters) -Nineteen suspected gang members and 10 military personnel were killed in a wave of violence surrounding the arrest of Mexican drug cartel boss Ovidio Guzman in the northern state of Sinaloa, Defense Minister Luis Cresencio Sandoval said on Friday. Mexican security forces captured Guzman, the 32-year-old son of jailed kingpin Joaquin “El Chapo” Guzman, in the early hours of Thursday morning, prompting hours of unrest and shootouts with gang members, the minister said. Guzman was extracted by helicopter from the house where he was c…