Nurses, postal workers and railway employees are all walking out this month in the U.K.'s largest series of labor actions in more than a decade. It's a major challenge to Prime Minister Rishi Sunak.
As his Conservative Party struggles to heal divisive wounds from months of infighting, Sunak must deal with high inflation levels, elevated energy prices and a soaring cost of living.
A popular former chancellor of the exchequer under Boris Johnson's premiership, Sunak will be the first nonwhite to take the top job and the youngest prime minister in more than 200 years.