> The Federal Election Commission, which regulates US elections, states that foreign volunteers may not donate money to campaigns or spend money on their behalf. They cannot “participate in the decision-making process” but they may, however, participate in activities as an “uncompensated volunteer”.

> Sofia Patel, Labour’s head of operations, said in a LinkedIn post on Wednesday: “I have nearly 100 Labour party staff, current and former, going to the US in the next few weeks, heading to North Carolina, Nevada, Pennsylvania and Virginia.

> “I have 10 spots available for anyone available to head to the battleground state of [North] Carolina – we will sort your housing.”