Rescuers are searching for survivors after a bridge collapsed at a cobalt mine in the Democratic Republic of Congo, killing at least 32 people. Unauthorised miners forced their way into the southern Kalando mine on Saturday despite being banned from the site, said local official Roy Kaumba Mayonde. Military personnel guarding the site then reportedly fired guns, causing the bridge to collapse after panicked miners rushed across it, government mining agency SAEMAPE said. The military has not