The march, organized by Matthew Caponigro, a 4th grade student St. Joseph Grade School, will begin at 11:30 a.m. at St. Joseph Church (216 North Hill Street), where participants will receive a blessing from St. Joseph’s pastor, Rev. Anthony Szakaly, C.S.C. The march will end at Notre Dame’s Grotto of Our Lady of Lourdes, where Rev. Thomas McDermott, C.S.C., visiting scholar at Notre Dame’s Kroc Institute for International Peace Studies, will lead prayers for peace.p. The event is open to the public.p.