Former Quezon City Vice Mayor Rosario "Charito" Planas passed away on Thursday. She was 87.

The Quezon City local government confirmed the news on social media.

“It is with a heavy heart that in behalf of the people of Quezon City, I announce the passing of our dear former vice mayor, Charito Planas,” Mayor Herbert Bautista said in a Facebook post.

“Vice Mayor Planas was our loving mentor, tita, leader and friend. Vice Mayor Planas only had the best interest of the city and nation in mind in all her endeavors as a city official and freedom fighter during the dark days of our nation’s history,” he added.

A memorial service will be held on Dec. 8 at 9 a.m. at the Carlos Albert Hall, 3/F Legislative Building, Quezon City Hall.

Planas was among those who went against the Marcos regime and was arrested after the 1972 martial law declaration.

She left for the United States after running and losing in the 1978 parliamentary elections alongside former Sen. Ninoy Aquino. Planas returned to the Philippines after the 1986 People Power Revolution.

She was elected a vice mayor in 1992 after a failed mayoralty bid in 1988.

After serving as vice mayor from 1992 to 1995, Planas later became former president Gloria Macapagal Arroyo's spokesperson from 2010 to 2011.

She also served as president of the Quezon City Parks Development Foundation and executive director and trustee of the Nayong Pilipino Foundation.

Planas’ last public appearance was during Bautista’s eighth State of the City Address in October.