Julian Assange protest: Father speaks of son's 'arbitrary detention'

Julian Assange protest: Father speaks of son's 'arbitrary detention'

Julian Assange's father John Shipton joins a protest at his son's incarceration ahead of an extradition hearing.

Assange is wanted in the US on 18 charges related to the alleged leaking of cables - if found guilty he could receive an 175-year jail sentence.