More than 1.3 million people have signed an official U.K. petition to prevent President Trump from making a state visit to the U.K. — and the number continues to grow."Donald Trump should be allowed to enter the UK in his capacity as head of US Government," the petition states, "but he should not be invited to make an official State Visit because it would cause embarrassment to Her Majesty the Queen."The U.K. Parliament will consider this petition for a debate, because it has surpassed the threshold of 100,000 signatures.British Prime Minster Theresa May, while she was in Washington, D.C., last week, actually already extended an invitation to Trump on the queen's behalf, and he has accepted.Today, according to the BBC, 10 Downing St. reiterated that the visit is still on: "The USA is one of this country's closest allies, and we look forward to hosting the president later this year." It added that the visit is "substantially in the national interest," according to The Guardian.The petition gained steam after Trump issued an executive order Friday that freezes admission into the U.S. for all refugees and temporarily blocks entry to citizens and dual nationals from seven Muslim-majority countries.From London, NPR's Frank Langfitt said Trump's travel ban has proved embarrassing to May. Here's more: