A pair of Donald Trump’s tweets that made unsubstantiated claims about mail-in voting were appended on Tuesday with links pointing readers to news stories fact-checking him, as Twitter faces increasing criticism for not policing the president’s activity on its site.

The two tweets, which Trump sent on Tuesday, now carry prominent links reading “Get the facts about mail-in ballots”.

The links take readers to a page with a collection of stories and reporters’ tweets about the president’s unsubstantiated claims, as well as an item apparently authored by Twitter staff titled “What you need to know” that rebuts the president.

These tweets contain potentially misleading information about voting processes and have been labelled to provide additional context…

Twitter confirmed it had added the fact-checking links to Trump’s tweets.

“These tweets contain potentially misleading information about voting processes and have been labelled to provide additional context around mail-in ballots,” the company said in a statement.