The Trump administration was issued a subpoena by special counsel Robert Mueller's team, sources with first-hand knowledge revealed. The Wall Street Journal was the first to reveal the news, adding the campaign has turned over 20,000 documents requested voluntarily.

Investigators are looking into possible collusion between the Trump campaign and Russia during the 2016 election. According to the Senate Judiciary Committee, Trump's son-in-law and senior advisor has yet to turn over all the documents requested.

We'll be sure to keep you updated on new details as they are available.

Source: Wall Street Journal