Hong Kong port workers on strike at billionaire Li Ka-shing’s headquarters

A defaced portrait of Hong Kong billionaire Li Ka-shing is placed outside Li’s headquarters, Cheung Kong Center during a protest in Hong Kong Tuesday, April 23, 2013. Hundreds of striking port workers began camping outside the headquarters last Wednesday to force a concession over a pay dispute against Hong Kong International Terminals Ltd., a subsidiary of Li’s company, Hutchison Whampoa.

Banners hang in a tent built by workers outside Hong Kong billionaire Li Ka-shing’s headquarters, Cheung Kong Center during a strike in Hong Kong Tuesday, April 23, 2013. <AP Photo/Vincent Yu>