Katy Perry changes tour dates due to ‘production delays’

FILE - In this April 3, 2016 file photo, Katy Perry arrives at the 51st annual Academy of Country Music Awards in Las Vegas. A Los Angeles judge ruled on Wednesday, April 13, that a businesswoman's purchase of a former Catholic convent is invalid, clearing the way for Perry to purchase the hilltop property. (Photo by Jordan Strauss/Invision/AP, File)

NEW YORK (AP) — Katy Perry says she’s pushing back the start of her new tour because of “unavoidable production delays.”

The pop star’s “Witness: The Tour” will now begin Sept. 19 in Montreal. Perry said in a statement Thursday that “major elements of my tour stage design could not be available for me to rehearse on until this week.”

The tour was originally planned to kick off Sept. 7 in Columbus, Ohio. Tickets purchased for the original concert dates will be honored at its new date. Refunds are also available at point of purchase.

Perry said that she’s “sorry for any inconvenience this causes.”

The singer also announced that Carly Rae Jepsen, Noah Cyrus and Purity Ring will open for her on the road.