SIX COUNTIES: Firefighters dealt with more than 300 emergency calls as Eleventh Night bonfires were lit across the north of Ireland. In Greenisland, Co Antrim, embers from a nearby bonfire likely caused a blaze that destroyed two houses, the fire service said, though this is still under investigation. In Cookstown, Co Tyrone, firefighters were forced to withdraw from a bonfire as a result of a hostile crowd. The bonfires are lit ahead of the Orange Order’s July 12 parades across the north on…