<p>Armed cops are today (Mon) still on the scene of a stand-off at a caravan park near an airport in the north of England.</p><p>West Yorkshire Police confirmed an operation that began on Sunday at St Helena’s Caravan Park, near the village of Bramhope, Leeds, remained “ongoing”.</p><p>Yesterday, police cars, ambulances, fire engines and the bomb squad were seen at the site – with onlookers reporting that chemical weapons specialists were present this morning.</p>