The State Secretariat for Economic Affairs (SECO) said the pair was put on a list of travel and financial sanctions to come into force later on Wednesday.
The 72-year-old former president is believed to have been involved in the first stage of Russia’s invasion of Ukraine in February, while his son is said to run business operations in the Donbass region held by separatist forces.
The sanctions are the latest in a series of punitive measures by the EU, which Switzerland decided to take over following a case-by-case examination.
Financial sanctions against Yanukovych and his entourage have already been in place in connection with illicit potentate assets.
More than CHF100 million in assets was frozen following Yanukovych was ousted in 2014 and the Swiss government in May said it was looking to confiscate the money in order to be returned to the Ukrainian authorities.
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Switzerland's economy grew slightly at the start of 2024, with growth in the service sector contrasting with weak growth in industry.
Swiss employment rate rises in first quarter of 2023
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The number of women and foreign nationals in employment increased particularly strongly, the Federal Statistical Office said on Thursday.
Coercion still an issue in Swiss welfare system, report finds
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The rights of vulnerable people are still sometimes disregarded by the Swiss welfare system, a national research programme has found.
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Viola Amherd has expressed her “deep shock” at the assassination attempt on Slovakian Prime Minister Robert Fico on Wednesday.
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A man injured half a dozen people with knives, two of them seriously, before being arrested on Wednesday in northern Switzerland.
Switzerland to introduce flight passenger database
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Switzerland plans to introduce a flight passenger database to collect and process personal data in a bid to combat terrorism and serious crime.
Government plans to invest over CHF16bn in Swiss rail network
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The federal government intends to invest CHF16.4 billion ($18.1 billion) in railway infrastructure between 2025 and 2028, CHF2 billion more than for the current period.
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Freeze of foreign assets in Swiss banks extended
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The government has decided to extend for 12 months the freeze of assets belonging to the former presidents of Tunisia and Ukraine.
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They had already frozen all assets of Yanukovych, his son Alexander – both of whom are subjects of a Swiss money-laundering investigation – and about 20 more people. On Monday, the asset freeze was extended to Yanukovych’s second son, also called Viktor, and Alexey Azarov, son of the former Ukrainian prime minister, Mykola Azarov. Also…
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A spokeswoman for the prosecutor’s office told Reuters on Sunday that the formal investigations were opened on Thursday after confirmation from the federal police unit responsible with liaising with Swiss banks in cases of suspected money laundering. “The state public prosecutor can only open an investigation when there is a reasonable suspicion of possible punishable…
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If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.