Ukrainian authorities have detained their army's chief psychiatrist for alleged "illegal enrichment" charges related to earnings of more than $1million (£813,000) allegedly made since the start of Russia's invasion in February 2022.

As part of a widespread crackdown on financial corruption ordered by President Volodymyr Zelensky, the Security Service of Ukraine (SBU) said the man sat on a commission deciding whether individuals were fit for military service.

While the SBU statement did not name him, a man called Oleh Druz was previously identified as the Ukrainian armed forces' chief psychiatrist.

The SBU said the suspect owned three apartments in or near Kyiv, one in Odesa, two plots of land and several BMW luxury cars.

Investigators were also busily searching his home where they are said to have found $152,000 (£124,000) and €34,000 in cash.

The statement added that the man did not declare the property, which was registered in the name of his wife, daughter, sons, and other third parties.

He now faces up to 10 years in jail for the alleged charges of illegal enrichment and making a false declaration.

Druz was implicated in a similar case in 2017, in which he failed to declare two SUVs and several properties, leading to his suspension.

Ukraine has long battled endemic corruption.

In May, a Ukrainian MP was charged with embezzling £220,000, while in 2023 more than 30 conscription officials accused of taking bribes and smuggling people out of the country were sacked in an anti-corruption purge.

Last year, the Ukrainian parliament voted to abolish military medical commissions after several officials were accused of accepting bribes in exchange for issuing exemptions from military service.

In 2023, Ukrainian authorities publicly exposed piles of cash found in its own Supreme Court - as it continued an internal anti-corruption crackdown.

Investigators shared a photograph of the huge bundles of dollars neatly lined up on a sofa.

The discovery was part of a probe by the National Anti-Corruption Bureau of Ukraine (NABU).

It did not name anyone accused of a crime, but two local media organisations reported that Supreme Court Chief Justice Vsevolod Kniaziev had been detained on suspicion of receiving a $3 =million bribe.

The money was said to have come from backers of Ukrainian billionaire Kostyantyn Zhevago, who was arrested in France at Kyiv's request in relation to embezzlement charges.

Despite some progress in recent years, Ukraine still ranks 116th out of 180 countries in Transparency International's Corruption Perceptions Index.