. >>> and i'm frank summerville.ned that thieves got past the fence and stole construction equipment. ktvu is live at the metcalfe station near morgan hill where she just received some new information about the thefts. >> i want to show you where thieves broke into this chain link fence, it is one of 3 areas at the back of the substation near highway 101 that was cut and broken into. sheriff's deputies are also investigating. here's what happened. around 2:00 in the morning overnight thieves entered the construction yard next to the substation. it doesn't appear they were after the power grid but did steal construction equipment like hydraulic equipment. it's not clear how long they were there, we are told there is 24/7 security at this substation. is attributing the breach to human error. >> in our investigation one of the fence alarms did go off and that's something we are looking into, was this properly followed up on. we are working closely with the sheriff's office on their investigation. we are also doing our i