European Commission President Ursula von der Leyen said EU is opening the door for Canada to become the first associate member of the 27-member bloc. U.S. Key points and original sources are listed below.

• European Commission President Ursula von der Leyen said EU is opening the door for Canada to become the first associate member of the 27-member bloc.S1

• U.S. President Donald Trump speaks to members of the press as he arrives at Charlotte Douglas International Airport, in Charlotte,S2

• The president's threat comes as Canada seeks closer ties with Europe amid its deteriorating relationship with Washington.S3

• The U.S. President threatened to respond to the proposed move by imposing more tariffs on the bloc.S4