KUALA LUMPUR – The Election Commission (EC) has hired 689 workers to help facilitate the upcoming Slim state by-election tomorrow. The election will involve 12 polling centers and 54 channels. EC chairman Datuk Abdul Ghani Salleh said that the polling centers will be at Sekolah Kebangsaan (SK) Changkat Sulaiman; SK Trolak Selatan; SK Kuala Slim; SK Slim River; SK Seri …