People gather during a protest against the Goods and Service Tax (GST), which is to be implemented in 2015, in Kuala Lumpur, Malaysia, on May 1, 2014. (Xinhua/Chong Voon Chung)

People gather during a protest against the Goods and Service Tax (GST), which is to be implemented in 2015, in Kuala Lumpur, Malaysia, on May 1, 2014. (Xinhua/Chong Voon Chung)

A woman holds a banner during a protest against the Goods and Service Tax (GST), which is to be implemented in 2015, in Kuala Lumpur, Malaysia, on May 1, 2014. (Xinhua/Chong Voon Chung)

People gather during a protest against the Goods and Service Tax (GST), which is to be implemented in 2015, in Kuala Lumpur, Malaysia, on May 1, 2014. (Xinhua/Chong Voon Chung)

People sign their names on a banner during a protest against the Goods and Service Tax (GST), which is to be implemented in 2015, in Kuala Lumpur, Malaysia, on May 1, 2014. (Xinhua/Chong Voon Chung)