Mercedes chairman Niki Lauda has given some insight into the tense relationship between Nico Rosberg and Lewis Hamilton last season.
The 2016 Formula One world championship was their last as teammates and the first in which Rosberg came out on top, retiring as world champion at the end of the season. The title battle went down to the last lap of the last race, with Hamilton keeping the fight going until the chequered flag by backing his teammate into rival drivers as they ran one-two at the front of the field.
The tension between Rosberg and Hamilton was clear throughout their period as teammates, but in an interview with Graham Bensinger on YouTube, Lauda opened up on the depth of the feud.