Leadsom's announcement follows days of controversy around her candidature, which included allegations of exaggerating her curriculum vitae (CV) and most recently having to apologise to her rival over an interview to The Times which suggested that being a mother made her a better candidate for the job.
It has used the city as a main headquarters since. US Defense Secretary Ash Carter made the additional troop announcement during a visit to the Iraqi capital Baghdad on Monday, just days after after Iraqi security forces managed to seize a major airbase close to IS-held Mosul.
Kirby told reporters Wednesday that the State Department's internal "process for reviewing potential cases of mishandling of information does not apply exclusively to current employees". He added that the goal of the State Department's review would be to be as "as transparent as possible about our results, while complying with our various legal obligations".
But Leadsom unexpectedly withdrew, paving the way for May to take over sooner. The most prominent contenders to replace him - including "leave" campaign leaders Boris Johnson and Michael Gove - withdrew or were eliminated from contention one by one amid allegations of treachery and scheming.
After he was sidelined during the July 10 Euro final for a shocking knee injury, Cristiano and Portugal's trophy were inseparable. It was a mostly boring and stodgy final but the record books will only show that Portugal went from third-place in its group to champion, and with little help from Ronaldo in its last match.
There have since been hundreds of demonstrations against Sterling's and Castile's deaths in USA cities - while most have been peaceful, at least 309 people have been arrested in clashes between police and protesters. The crowds chanted "We are one" and "No justice, no peace". Traffic came to a standstill as police escorted demonstrators through the city. The protesters included Sandy and Beatrice Pierre, sisters who live in Tampa.