FORT WORTH, Texas — The powerful explosion Monday at downtown Fort Worth’s Sandman Signature Hotel will likely trigger multiple lawsuits — from the nearly two dozen people injured, some seriously, to the property owners and businesses that sustained potentially millions of dollars in damage. “Undoubtedly there will be litigation,” said Eric Hageman, the owner of Pritzker Hageman, a personal injury law firm based in Minneapolis that specializes in fires and explosion cases. The Star-Telegram spoke to four attorneys and legal experts, who all said that the coming months could bring a lot of laws…