What you need to know about the US classified documents saga

By Sam Cabral & Bernd Debusmann Jr. & Anthony Zurcher

BBC News, Washington

Former US Vice-President Mike Pence is in the news after classified documents from his time in the Trump administration were found at his Indiana home.

It is the latest discovery in a growing controversy that has already embroiled both former President Donald Trump and incumbent President Joe Biden.

Classified records are supposed to go to the National Archives once an administration leaves office.

Here is a look at what is going on, with analysis from our senior political correspondent Anthony Zurcher on how serious an issue each man faces.

Mike Pence

What happened?

A lawyer for the former vice-president discovered "a small number of documents bearing classified markings" at his personal residence in Carmel, Indiana, last week, according to a letter to the Archives.

The material had been "inadvertently" stored in boxes that were not in a secure area, but were taped up and appeared to be unopened since they were packed, Mr Pence's attorney said.