Police were called to Masjid Al Momineen Mosque on Ash Street at 6.14am today (April 16) to reports of a burglary.
Property inside the building was also reported damage including to a door and a cupboard.
Officers were also made aware of a burglary at Madena Mosque on Oak Street in Blackburn.
This was at some point between Monday evening (April 15) and Tuesday morning (April 16).
Damage was caused the a safe on the premises.
A spokesperson for Lancashire Constabulary said: “We were called at 6.14am this morning (April 16) to reports of a burglary at Masjid Al Momineen Mosque on Ash Street, Blackburn.
“It was reported that damage has been caused to a door and a cupboard and a CCTV server has been stolen.
“We have also been made aware of a burglary at Madena Mosque on Oak Street in Blackburn at some point between Monday evening (15 April) and Tuesday morning (16 April).
“Damage has been caused to a safe.”
People are now being asked to remain vigilant.
A spokesperson for Lancashire Council of Mosques said: “Two mosques in Blackburn have been burgled and vandalised.
“From one of the mosques the CCTV is also stolen.
“Lancashire Police are investigating the above incidents.
“Lancashire council of mosques is requesting everyone to be vigilant and report any suspicious activities.”
If you have any information in relation to the Masjid Al Momineen Mosque incident you can contact police on 101 quoting log number 170 of April 16.
Police are also asking if you have information on the Madena Mosque incident to call 101 quoting log number 1050 of April 16.