Wolfmother have been forced to cancel their current US dates after Bassist Chris Rossâ€™ partner gave birth to a son in Sydney.
The band played the inaugural V Festival in Baltimore on Saturday before Ross flew home on a gruelling 23 hour flight.
The band have been forced to pull out of this weekends Download Festival in San Francisco and and their shows in Hollywood on Thursday and San Diego on Friday.
The Hollywood date has been rescheduled for December 12.
The band now plan to take most of October off to give Ross some "family" time.