New Life Christian Ministries will host a prayer walk beginning at 8:30 a.m. at the flagpole at Outlook Pointe, 100 Bella Court, Saxonburg. For information, call 724-586-6530.

The Grove City Ministerial Association will host an observance from noon to 1 p.m. in Grove City Memorial Park on Main Street.The program will include scripture, singing and a message by the Rev. Dave Lingle of Center Presbyterian Church.For information, call 724-458-7260.

Churches in the Harmony-Zelienople Ministerium will host the following events in observance of the National Day of Prayer:Prayer Vigil - 9 p.m. May 4 to 6 p.m. May 5 at St. Peter's Reformed Church in Zelienople.Free Community Prayer Breakfast - 6:30 a.m. May 5 at Grace Church of Harmony. State Representative Daryl Metcalf will speak.Mid-day prayer service - 11:30 a.m. at the Zelienople Municipal Building.Congregational Prayer Walks beginning at 5 p.m. Participants will meet at their respective churches and conclude at Zelienople's Community Park on Beaver Street.Evening Community Prayer Service - 6:30 p.m. at Zelienople Community Park on Beaver Street. Attendees should take a lawn chair.Community Fellowship Time - 7:30 p.m. at the shelter. Attendees should take some cookies to share.