A Prayer Vigil is an interfaith gathering to let the immigrants detained at the South Bay Detention Center know that they have not been forgotten. The vigil includes brief prayers and songs led by clergy from many congregations. Plan to be outdoors for one hour and to walk several blocks and up a flight of stairs. Adults should accompany anyone under age 18. At the South Bay Detention Center (also called Suffolk County House of Correction), 20 Bradston Street, Boston