With roughly half the votes counted as of 8:45 am in New York; 1:45 pm in London, according to the Telegraph:
JOHNSON Con 45%
LIVINGSTONE Lab 39%
JONES Green 4%
PADDICK Lib Dem 4%
BENITA Indy 4n%
UPDATE 11:45 AM: At 4:45 PM local time, Johnson is up only 4 points.
UPDATE 4:00 PM in NY; 9:00 PM local time official results due any minute.