Toto Wolff and Red Bull counterpart Christian Horner have reignited their war of words over Max Verstappen after the Mercedes boss again hinted at poaching the three-time world champion. Verstappen’s future at Red Bull was thrown into doubt last month after his father, Jos, said the team was in danger of being “torn apart” if Horner remained its principal. It came after allegations against Horner of inappropriate behaviour towards a woman colleague. He denied the claims and an internal investigation cleared him of wrongdoing. Verstappen has publicly committed his future to Red Bull, but following the Dutchman’s dominant victory at the Chinese Grand Prix on Sunday, Mercedes boss Wolff stirred the pot anew. Wolff told reporters in Shanghai that “everyone is waiting to see what he (Verstappen) is going to do”. “There are so many factors that play a role for a driver joining,” said Wolff, who needs to replace seven-time world champion Lewis Hamilton, who is leaving for Ferrari next year.