More than 300 people are expected to attend a spiritual unity rally Sunday to support U.S. Sen. Barack Obama's run for the presidency.

The rally will start at 4 p.m. at Trinity Missionary Baptist Church, 3950 Paine Circle.

Obama's half-sister, Maya Soetoro-Ng of Honolulu, is expected to attend.

The rally will be part of a weeklong celebration in Hawai'i of Juneteenth, the oldest nationally celebrated commemoration of the ending of slavery in the United States.

Juneteenth is observed on June 19.

For more information, call 330-4568 or 781-2678.