The latest chapter of turbulence in the Middle East will undoubtedly lead to insurers and reinsurers, particularly in lines such as hull, war, piracy, terrorism, cargo and construction raising premiums, renegotiating terms of cover and introducing riders and endorsements to policies to reflect the increased risks of trading in the region, said Mr Jonathan Moss, head of marine and trade at DWF, a multinational law firm headquartered in Manchester.