At the opening of the monthly session of Home Office questions in the Commons, the Home Secretary paid tribute to the late PC David Rathband.
On the day of his official memorial service in Newcastle (which the Police Minister Nick Herbert is attending), Ms May called him a brave and fine police officer. She added that his death was a huge loss to the Northumbria force.
More top news
Doctors from the North East joined thousands of junior doctors as they staged a "masked march" protest over pay and conditions.
Substitute Adam Johnson's free-kick somehow beat Simon Mignolet at his near post before Defoe equalised at the death.
Aleksandar Mitrovic's fifth goal of the season dragged Newcastle out of the Premier League relegation zone.