West Philadelphia Councilwoman Jannie Blackwell has halted the city’s long-awaited remake of the former Provident Mutual Life Insurance Co. building at 4601 Market Street for reasons that include the interest from developers other than Iron Stone, the developer selected through an open bidding process to acquire the 10-acre property.
“I’ve got other people who want to invest,” said Blackwell on Thursday when asked if she supported a different bid than the winning proposal. “So we’ll…