WESTFIELD — The Dr. Martin Luther King Jr. Association of Westfield will hold its 38th Annual Interfaith Commemorative Service on Monday, January 20, beginning at 2 p.m. It will take place at St. Helen’s Roman Catholic Church, located at the corner of Rahway Avenue and Lamberts Mill Road in Westfield. The Reverend Monsignor Thomas Nydegger serves as pastor of the church.