Transcript for Urgent search for survivors in Italy bridge collapse continues

Until limit father and hit in Genoa and northeast and it's Leon this is a scene. About tragic accident yes they can see just behind my show that. That huge pot of that bridge that's just me about the way for this ambulance that citing cost us. You can see that huge pot about bridge that collapsed yesterday morning and sunny morning traffic. You can probably even see that green truck that image that has been beamed across the wild web that truck driver managed to slam on his brakes just in time before the bridge sucked on behind him now this is pleased to be a day of national celebration is one of Italy's national holiday say. Many people. Would have been traveling on the average getting on holiday when this accident happened now politicians of olden blaming. Everyone else have been putting a finger tells us both here is to blame behind this accident but engine is they blew the whistle on the structural integrity of this bridge. Several years ago are now as for the rescue operation we're told this morning it's still a rescue and such operation so. Some people remain missing officials told us that they have. Craig C they've sifted through some of the wreckage. On one side of the river bank and I'm looking at the other side of the river bank many people still hopeful to some good news for ABC news live in Genoa I'm Judy McFarland.

This transcript has been automatically generated and may not be 100% accurate.