DoorDash said its agreement to buy Deliveroo, a British food delivery service, in a roughly $3.9 billion deal would give it a larger footprint in Europe and a presence in the Middle East, covering millions of users in more than 40 countries.

DoorDash's banner $3.9 billion acquisition of Deliveroo has overshadowed a second, equally significant acquisition by the delivery company.

U.S. food delivery app DoorDash has agreed to acquire British rival Deliveroo for 2.9 billion pounds ($3.9 billion) in cash