Leicester City owner Vichai Srivaddhanaprabha's helicopter crashed after a 1-1 draw with West Ham in a parking lot outside the club grounds.
Although there is no confirmation, one source told the BBC that Srivaddhanaprabha was in the helicopter when it came to an end.
Sky News reported this morning that "it is not clear whether Srivaddhanaprabha, a Thai billionaire, is on board, but there are fears that there are no survivors."
A study of the air accident investigation site is now underway, and fans are putting flowers to the scene.
Sky News reporter Katerina Vittozzi said this morning: "As you can see behind me, there is a police cordon all over the King Power Stadium.
" The car The park where the helicopter crashed , is behind me behind the stadium.
"Leicestershire Police told me this morning that the investigation is being conducted by the Air Accident Investigation.
" They will try, t what exactly caused this helicopter to crash shortly after taking off at night.
"Just in the last 1
"He's a man with The club's most successful time in club history led to winning the Premier League in 2016.
"He was a man who loved England, loved football and loved all things British, including polo.
"There is no confirmation that he was aboard this flight, but we know it was routine for him to use the helicopter to come play and go after.
"But so far there are no details from the police about who was aboard the plane and how it crashed.
" There are a few fans who have flowered to the stadium. We can expect many more during the day and pay a tribute as they learn more and more details about what happened here last night.
"Not only was Vichai Srivaddhanaprabha the sole owner of this club, he was someone who was very involved in his life, he would offer the spectators things like free beer if they did well."
"He came from Thailand, but he was a very important part of this club when he bought it in 2010.
"Fans here have talked about their deep shock about this and their sadness." 19659018 Leikestershire Fire and Rescue Service Assistant Chief Fire Officer Andrew Brodie tweeted regular updates about the situation overnight.
He wrote at 21:48: "IMPORTANT: Energy resources have to do with a significant incident @ lcfc King Power Stadium .It is important that you stay away and allow 999s free movement.Further information will follow."
At 1:13 He issued a second update with the following lines: "Leaving the @ leicspolice headquarters for strategy sessions after a helicopter incident Obviously serious and tragic, please do not speculate about the cause or who might be involved." Think of families, friends, helpers and @ LCFC and their fans. "
" I just visited the @LeicsFireRescue @leicspolice @EMASNHSTrust Crews who are still at the helicopter crash @LFCFC. Frankly, your police, ambulance and firefighters are great, caring and dedicated never, "he added just before 2 o'clock.