George Cottrell, who has been convicted of wire fraud, is accused of covereing party costs without disclosing them

Exclusive: Questions grow over close ally’s role in 2024 election in which he held no official position

Police are understood to be probing £500,000 of donations to Reform UK by Fiona Cottrell, mum of Nigel Farage ally and convicted fraudster George Cottrell, to determine if she was…