Mr Kampyongo and wife Wanziya are alleged to own property worth $1.8m (£1.6m) suspected to be proceeds of crime.

They both deny the charge.

Anti-corruption commission spokesperson Timothy Moono confirmed the two were arrested on Thursday and released on bail.

The property is located in the capital, Lusaka.

Mrs Kampyongo is further alleged to have money in her bank accounts exceeding her verified sources of income.

The couple is expected to appear in court soon.

They join other prominent Zambian politicians such as former Minister of Health Chitalu Chilufya, opposition leader Kelvin Bwalya Fube and journalist Margaret Musonda, who were all arrested this week on various corruption-related offences.

They all denied the charges and were released on police bail.