reporter dave carlin from our sister station wcbs is at mount sipe night hospital in with the latestonight. >> joan rivers appeared robustly healthy at this wednesday night appearance in man money called on cell phone individual 83 taken boy a fan. >> but hours later she went from what was supposed to be routine endoscopy sources tell cbs two the procedure on her throat was underway when the 81 year old stopped breathing. they say she in cardiac arrest when taken from the yorkville cling to sounder sigh my hospital. her daughter melissa was in california. she arrived at the hospital. soon after the hospital released this statement from me list. >> i want to thank everyone for the overwhelming love and support forme mother. she is resting comfortably and is with our family. we ask that you continue to keep her in your thoughts and praye prayers. >> howard johnsons again, hooray, houri. >> brooklyn born comedian shot to fame on the stand up circuit of the 19 exacts and on tv talk shows. >> oh please. >> lately she's been busy doing her fashion police tv segments, reality show with meli

dave carlin reports. >> captured on earth cam video. side of your screen as the light pole comes crashing down. you can barely make out a stroller crush and pushed. it belongs to a family from australia injured their 3-year-old daughter. >> the lamp post fell on her and crushed her stroller, yeah. >> it was not enough that everybody was running. everybody was running for cover. >> pieces of metal, plastic and glass littered the ground, the light post in pieces. >> we were thrown everywhere. i hope every everybody that was sitting there -- there was a bench there. i hope everyone got out oklahoma, otherwise that would have totally crushed all of them. >> reporter: from down on the ground to up high in chopper 2, we saw balance aftambulance afte take away victims. paramedics said the worst place to be during that crash was not on either bus but on the east side of tkts. >> the traffic light is where most of the injuries from people and from flying debris from the light and from the bus. >> reporter: no criminal charges yet. the investigat