British Prime Minister Boris Johnson is facing fresh questions over the refurbishment of his Downing Street flat after a watchdog fined the ruling Conservative Party for failing to report relevant donations properly. Johnson came under pressure earlier this year to explain how the expensive refurbishment of the 11 Downing Street flat was paid for, after his former chief advisor Dominic Cummings alleged in a blog post in April that the prime minister had planned to “have donors secretly pay for the renovation.” In May, the independent adviser on ministers’ interests, Christopher Geidt, said the prime minister “unwisely” allowed the refurbishment to proceed “without more rigorous regard for how this would be funded.” But he cleared Johnson of a conflict of interest or of breaching the ministerial code, saying there was no evidence the prime minister knew where the donation came from. After investigating the matter, the Electoral Commission, the UK’s …