According to the Kyodo News Agency on the 13th, ABN AMRO, a large bank located in the Dutch capital Amsterdam, and Japanese office equipment giant Ricoh-related firm Kelklad in the south, received letters containing bombs on the 12th and exploded in the reception room. No one was injured. It is reported that someone threatened the two companies to send virtual currency "Bitcoin". Ricoh's facilities were reported partially damaged. The company issued a statement saying: "Fortunately, no one was injured, but the people concerned were shocked." At ABN AMRO, employees allegedly noticed a suspicious sound from the e-mail and a slight explosion occurred after it was dropped. The report also said that from around January this year, Dutch hotels, administrative agencies, etc. have successively found at least 7 letter bombs.