US President Donald Trump's former national security adviser John Bolton has been charged with storing top secret records at home.

He also has been charged over allegedly sharing with relatives diary-like notes about his time in government containing classified information.

Mr Bolton's attorney said his client, who was indicted in a federal court in Maryland , had done nothing wrong.

Here is what you need to know.

Who is John Bolton?

Mr Bolton is a veteran US diplomat and commentator who has been a fierce critic of his former boss in recent years.

His career in Republican politics stretches back to the Ronald Reagan administration.

From 2005 to 2006 he served as George W Bush's US ambassador to the United Nations.

Mr Bolton was a strong supporter of the Iraq war.

In 2018 he wa

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