WARSAW, Poland (CNS) Church leaders offered condolences after a bus carrying Polish pilgrims to the Bosnia-Herzegovina shrine of Medjugorje crashed in neighboring Croatia, killing 12 and seriously injured more than 30. I ask everyone to pray during Sunday Masses for all those harmed, along with their loved ones, Archbishop Stanislaw Gadecki, president of the Polish bishops conference, said in a message to Catholics. We must also pray for a swift return to health among those now hospital