A 5G phone mast has been badly damaged in a suspected arson attack.
Police were notified of a fire at the mast on the High Street in Wibsey, Bradford, at about 04:00 BST.
Officers said they were working with fire investigators to determine the cause, however, it is believed to be deliberate.
A number of phone masts around England have been set on fire amid claims, of a link between 5G and coronavirus.
West Yorkshire Police said a number of residents in the area had been evacuated and road closure remained in place.