Pope Leo XIV, the first American to head the global Catholic Church, pledged on Wednesday to make "every effort" for peace and offered the Vatican as a mediator in global conflicts, saying war was "never inevitable".

Pope Leo XIV relaunched the official papal X account and quickly embarked on an impassioned tweet spree that saw him rail against war and plead for world peace. The American pope posted for the first time from his office’s X account,

Experts see the new pontiff as less confrontational than his predecessor, but willing to stand up for the church's teachings.