NEW : The film shows President Fonseka coming out of prison . A letter pardoning Fonseka has been sent to the prison authorities . He fell out of favor with President Rajapaksa after challenging him in elections .
NEW : Television footage shows Sarath Fonseka walking out of prison . A letter pardoning Fonseka has been sent to the prison authorities . He fell out of favor with President Rajapaksa after challenging him in elections .