Exclusive: In letter seen by the Guardian, 30 members of Congress warn US president’s Cuba military operation would worsen ‘mass suffering’US politics live – latest updatesMore than 30 members of Congress have urged Donald Trump’s top officials to end the use of the Guantánamo Bay naval b ase for immigrant detention and rule out any plans for military action on Cuba.In the letter to the secretaries of defense, state and homeland security on Wednesday morning, reviewed by the Guardian, Democratic lawmakers led by Delia Ramirez, a representative from Illinois, linked a rise in migration from the island nation to the heightening US aggression on Cuba. Continue reading... ...read more read less