FBI’s contentious relationship with White House

US President Donald Trump has defended his decision to sack FBI Director James Comey. Comey is just the second FBI director ever to be fired by a US president. But the FBI has had a contentious relationship with the White House over the years.

US President Donald Trump has defended his decision to sack FBI Director James Comey.

Comey is just the second FBI director ever to be fired by a US president.

But the FBI has had a contentious relationship with the White House over the years.

Al Jazeera’s Mike Hanna reports from Washington, DC.