Hong Kong police have arrested three men in connection with a HK$10 million (US$1.28 million) knifepoint robbery in Sheung Wan, the latest in a string of such cases targeting people exchanging foreign currency. Superintendent Lo Ka-chun said on Friday that officers had earlier received a tip-off that a criminal syndicate would attempt a robbery, prompting police to set up an ambush at about 9am that day. “This morning, the two victims had taken about HK$10 million in foreign currency to a...