HONOLULU — Maya Soetoro-Ng, sister of Democratic presidential nominee Barack Obama, will be making an appearance on behalf of her brother at the Big Island Democratic Party's Grand Rally on Friday at Mooheau Park in Hilo.

Soetoro-Ng is expected to arrive at the event at approximately 6 p.m., Obama campaign officials said.

On Sunday, Sept. 21, at 7:30 a.m., Soetoro-Ng will attend the Democratic Party of Hawaii's Unity Breakfast at Ala Moana Hotel.