WASHINGTON - JUNE 25: U.S. President Barack Obama (L) talks with Sen. John McCain (R-AZ) after a meeting with a bipartisan group of Senators and members of Congress in the State Dining Room at the White House June 25, 2009. (Photo by )
Photo: Chip Somodevilla/Getty Images
Photo: Chip Somodevilla/Getty Images

Colleagues react to Senator McCain’s cancer diagnosis: ‘Give it hell, John’

Former President Barack Obama issued a quick message on Twitter after news broke that U.S. Senator John McCain was diagnosed with a brain tumor.

Obama and McCain were opponents during the 2008 presidential election. The  two were also colleagues in the Senate.

Breaking News: John McCain has brain tumor removed 

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Other statements of support were issued throughout the night by the White House and his colleagues as well as former president Bill Clinton and House Speaker Paul Ryan.

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