On Thursday, the Office of the Attorney GeneralExternal link announced that it had opened a criminal case against persons unknown on suspicion of murder, severe personal injury, membership or support of a criminal organisation, and violation of the law banning al-Qaeda and the Islamic State and related groups.
According to the office, this is the usual procedure for alleged attacks affecting Swiss citizens.
The Swiss Foreign Affairs MinistryExternal link has since updated its travel advice for Tajikistan, including several lines about how the cyclists were hit by a car in the Danghara district before being attacked with knives.
Local police say one suspect has been arrested, two were killed while resisting arrest, and three are at large.
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