Banda Aceh, Aceh, Dec. 26 -- Thousands of residents from across Indonesia's Aceh Province gathered in the provincial capital on Friday to mark the 21st anniversary of the 2004 Indian Ocean tsunami, offering prayers not only for past victims but also for those killed in recent floods and landslides that struck Sumatra.

The remembrance prayer was centered at the Baiturrahman Grand Mosque in Banda Aceh, a historic landmark that survived the catastrophic tsunami.

Aceh Vice Governor Fadhlullah led the ceremony alongside regional officials, religious leaders and survivors, as worshippers filled the mosque's courtyard and surrounding streets.

Fadhlullah said the prayers were dedicated to the victims of the December 26, 2004 tsunami as well as...