The 18-year-old was originally with the Under-21s, but has now joined the rest of Gareth Southgate's side as they prepare for the European Qualifiers against the Czech Republic at Wembley on Friday, and away to Montenegro on Monday.

I thought the manager (Aidy Boothroyd) was joking. I was shocked and then when I heard that I actually had to go over, I couldn't believe it. I was delighted.

Hudson-Odoi reflects on his first England senior call-up

Hudson-Odoi has had limited chances to impress at Stamford Bridge this season and has yet to start a Premier League match, but has scored five times in 19 matches in all competitions.

"It's been a crazy day but getting my first [senior] international call-up is an amazing feeling," Hudson-Odoi said.

"Today has been a very long day for me because I had to travel to Bristol first for the U21s and then getting told that I have to come over here to St. George's Park, it's been a crazy experience but I'm delighted to get the call and it's a nice feeling to be here as well.

"I thought the manager [Aidy Boothroyd] was joking. I was shocked and then when I heard that I actually had to go over, I couldn't believe it. I was delighted. It's a dream come true.

Hudson-Odoi has seven caps for England's U19s

"Now I've got to work hard, enjoy every moment and keep working to just hopefully make an impact when I get the opportunity.

"Everybody here is very humble and they're very nice. They make sure you're comfortable, no one has an ego here so hopefully I get to know more of the boys here."