LONDON (AP) — The race to succeed British Prime Minister Theresa May is heating up, the field of Conservative contenders is quickly growing and the focus is squarely on how to handle Brexit. Health Secretary Matt Hancock said Saturday he is seeking to replace May, joining several others who have announced they will run to become the Conservative party's next leader, and by default, Britain's new prime minister. May announced Friday she plans to step down as Conservative Party leader on June 7 and remain as a caretaker prime minister while the party chooses a new leader in a contest that officially kicks off the following week. She plans to remain as party leader through U.S.