Speaking to Nigel Farage, it seems likely that he too will be contesting the leadership. "I'm sure lots of people will run but if I am fit enough and well enough then I'll think about it," he tells us.
Even to Farage, arguably the party's most well-known member, Pearson's announcement has come as a large shock. He tells us that he was unaware that Lord Pearson would be stepping down today. Understandably then, Farage may need a little time to consider his public response.
Read Jessica's story HERE.