Families of the 33 Chilean miners trapped underground are to sue the site's owner for negligence after it emerged it repeatedly ignored warnings about safety concerns and was repeatedly fined for breaching regulations...One family has already lodged a claim against the mining firm San Esteban Primera and a lawyer representing families of 24 of the trapped miners says he is preparing a case...Edgardo Reinoso, the lawyer representing 24 families, said someone had to be held responsible for what had happened...Three people have died in the past six years at mines run by the company...and scores more have been injured in explosions and landslides. Between 2004 and 2010, the firm is understood to have accumulated 42 fines from various Chilean safety bodies for failing to protect its workers...San Esteban's owners have said little so far..."Now is not the time to point fingers or ask for pardons," [said] Alejandro Bohn, joint owner of the mining company...