Work to regenerate Whitley Bay's Spanish City Dome has stalled due to a lack of funding.
Norma Redfearn, elected Mayor of North Tyneside, said:
"It's extremely disappointing that the regeneration of the building has stalled and we were refused funding earlier in the year.
"As elected mayor I promise to listen to what residents had to say and that's why I am asking them to help us to secure the dome's future and show us how strongly they want the dome to be finished.
"I'm determined not to give up on it - it's an iconic landmark, it's part of our heritage but most of all it's very important to local people."
Residents of North Tyneside are now being urged to lobby the Heritage Lottery Fund by filling out postcards, forms and online petitions calling on the dome to be awarded financial support
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They say local churches have already responded and will continue to pray, offer pastoral care and assist those affected.