German Chancellor Angela Merkel, left, talks to Finance Minister Wolfgang Schaeuble during a debate on the Greek financial crisis at the German parliament  in Berlin, Wednesday, July 1, 2015. (AP Photo/Markus Schreiber)

Greek Finance Minister Yanis Varoufakis claims debt relief is the key issue that held up a deal with creditors last week and says he’d rather cut off his arm than sign a deal that does not tackle the country’s borrowings.

In this May 8, 2015 photo, a fisherman cycles past the U.S. Interests Section building, behind right, along the Malecon in Havana, Cuba. President Barack Obama announced on Wednesday, July 1, 2015 that the U.S. and Cuba will reopen their embassies in Havana and Washington, heralding a "new chapter" in relations after a half-century of hostility. (AP Photo/Desmond Boylan)

U.N. Secretary-General Ban Ki-moon welcomed the announcement that the U.S. and Cuba will reopen embassies, calling the restoration of diplomatic ties “an important step on the path toward the normalization of relations.”