Telangana Tunnel Collapse | Six Days On, 8 Remain Trapped As Workers Leave Fearing For Safety It has been six days since a portion of the Srisailam Left Bank Canal tunnel collapsed. Eight personnel who were inside at the time remain trapped as rescue teams continue efforts to bring them out. Meanwhile, several workers involved in the tunnel’s construction in Telangana’s Nagarkurnool district are leaving the site, fearing for their safety after the collapse. According to an official, there are 800 workers on the project, 300 of whom are locals, The rest come from other states such as Jharkhand, Odisha, and Uttar Pradesh.