failure? one expert's opinion, corrosion of steel. >> and it means that the building was assumed by the series of pillars. so if the pillars fail, everything fails. so that is exactly what it looked like. and i seen the failures like that, hundreds of them like that. and this is right next to the ocean and also that area collapses also a sign. so corrosion of the reinforcement will compromise the capacity of thec column fai fails. >> and of course it is still a frantic certaisearch to survivo. rosa flores is live for us on the ground. >> reporter: and officials are asking for prayers. just think about it, this collapse happened more than 24