Sacred Heart High School for Boys in Lahore, Pakistan belongs to the Roman Catholic Archdiocese of Lahore. Alexander Lewis (retired in February 2016) was the principal of the school in 2008. On March 11, 2008, a powerful bomb ripped open a government building, killed at least 30 people and injured about 200 more, as well as damaging Catholic Church buildings in Lahore. The explosion caused serious damage to Sacred Heart Cathedral, Sacred Heart High School for Boys, Sacred Heart High School for Girls, St. Anthony's College. Three schoolchildren died in the incident. More than 100 children were taken to hospitals for medical treatment.