 The UAE and Saudi Arabia became close allies when Salman bin Abdulaziz Al Saud became King of Saudi Arabia in 2015 and Mohammed bin Salman as Crown Prince in 2017.In June 2017, the UAE alongside multiple Middle Eastern and African countries cut diplomatic ties with Qatar due to allegations of Qatar being a state sponsor of terrorism, resulting in the Qatar diplomatic crisis.The UAE backed Saudi Arabia in its 2018 dispute with Canada.