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Your partner/husband cannot cancel your spouse visa. A spouse visa is granted by the Home Office because of your relationship with your husband, spouse, or partner and gives you permission to stay in the UK for a specified period of time. A separation or divorce is classed as a βchange of circumstancesβ that enables the Home Office to decide whether or not to curtail or cancel your spouse visa.
You can use this service https://www.gov.uk/contact-ukvi-inside-outside-uk to email or call UK Immigration. Your best option is to consult an Immigration lawyer in your country of residence, they will be able to make enquiries in your behalf.