Conservative Party leader Kemi Badenoch has called on Sir Keir Starmer to sack Treasury minister Tulip Siddiq over allegations she lived in properties linked to allies of her aunt, Sheikh Hasina, the deposed prime minister of Bangladesh.

It comes after the current Bangladeshi leader, Muhammad Yunus, said London properties used by Ms Siddiq should be investigated.

He told the Sunday Times the properties should be handed back to his government if they were acquired through “plain robbery”.

Tory leader Ms Badenoch said: “It’s time for Keir Starmer to sack Tulip Siddiq.

“He appointed his personal friend as anti-corruption minister and she is accused herself of corruption.

“Now the government of Bangladesh is raising serious concerns about her links to the regime of Sheikh Hasina.”

Ms Siddiq insists she has “done nothing wrong”.

Her aunt was ousted from office in August following an uprising against her 20-year leadership and fled to India.

Ms Siddiq is also named with her aunt in Bangladesh court documents about meetings with the Russian government.

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As economic secretary to the Treasury, Ms Siddiq is responsible for policy on both the City and tackling corruption.

She referred herself to the prime minister’s ethics watchdog on Monday following the reports about the properties.

On the same day, the prime minister said: “Tulip Siddiq has acted entirely properly by referring herself to the independent adviser, as she’s now done, and that’s why we brought into being the new code.

“It’s to allow ministers to ask the adviser to establish the facts, and yes, I’ve got confidence in her, and that’s the process that will now be happening.”