Aid for family planning will increase from £90 million each year to £180 million - more than £1.4 billion over eight years
The Department for International Development (DFID) said the increase in aid will save a woman's life every two hours.
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The man's identity card was alleged to have been found at the home of the other assailant, Adel Kermiche, who was named on Tuesday.
The Labour leadership candidate was accused of misogyny for calling on Labour to 'smash' the prime minister 'back on her heels'
A note left at the scene of the tragedy where the four-year-old died said: "Go ride your train up to heaven and wait for me."