香港日企10亿日元大劫案最新进展：已拘15人中部分有黑社会背景！劫匪持牛肉刀，用时仅30秒，赃款还没找到

Core Viewpoint - A robbery occurred in Hong Kong, where four armed assailants stole approximately 1 billion Japanese yen (around 44.7 million RMB) from two employees of a Japanese company involved in cryptocurrency and luxury goods [1][3]. Group 1: Incident Details - The robbery took place on December 18 at around 9 AM near New Era Plaza on Queen's Road Central, where the victims were preparing to exchange a large sum of money [1][3]. - The assailants, armed with a 20 cm long knife, executed the robbery in about 30 seconds, swiftly transferring the cash-filled suitcases to their getaway vehicle [3][5]. - The police reported that the robbery was well-planned, with the criminals having surveilled the area prior to the incident [5]. Group 2: Police Investigation - The Hong Kong police have arrested 15 individuals connected to the robbery, including the mastermind, with some having ties to organized crime [1][5]. - Among those arrested, seven individuals have been formally charged with conspiracy to commit robbery [5]. - Evidence collected includes a knife, masks, and other items found in the getaway vehicle, while the stolen cash remains unaccounted for [7].