Former Whitehall adviser Patrick Rock has been bailed to appear at Westminster Magistrates Court on July 3 after he was charged over child abuse images.
Judith Reed, a senior lawyer with the CPS Organised Crime Division, said: "We have determined that there is sufficient evidence for a realistic prospect of conviction and that a prosecution is in the public interest."
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Warm with some wet weather
Melissa Mead has been campaigning to raise awareness of sepsis after losing her one-year-old son William to the illness.
Last year, spring was colder than winter, with snow at the end of April for the first time since the mid 1980s.