A frantic search for survivors is continuing at a building outside the Bangladeshi capital, Dhaka, which collapsed, killing at least 160 people…Police said the factory owners had ignored warnings not to allow their workers into the building after cracks were noticed on Tuesday…Primark [part of Associated British Foods]…confirmed that one of its suppliers was on the second floor of the Rana Plaza. It said it was "shocked and deeply saddened by the appalling incident" and that it would work with other retailers to review standards…Wal-Mart…said it was still trying to establish whether its goods were being produced at the Rana Plaza…Edward Hertzman, a textiles broker based in New York, told Reuters news agency that pressure from US retailers to keep costs down was in part responsible for unsafe conditions…He said if Western companies really wanted safety standards to improve, they would have to accept that they need to start paying higher prices. [also refers to Mango, New Wave]