ðə nˈɔːɹθbaʊnd plˈætfɔːɹm tˈʌnəl pˈɑːɹʃəli kəlˈæpst ænd wʌz fˈɪld wɪð ˈɜːθ ænd wˈɔːɾɚ fɹʌmðə fɹˈæktʃɚd wˈɔːɾɚ mˈeɪnz ænd sˈuːɚz əbˈʌv, wˌɪtʃ ˈɔːlsoʊ flˈoʊd θɹuː ðə kɹˈɔspˈæsɪdʒᵻz ˌɪntʊ ðə sˈaʊθbaʊnd plˈætfɔːɹm tˈʌnəl, wɪððə flˈʌdɪŋ ænd dəbɹˈiː ɹˈiːtʃɪŋ tʊ wɪðˈɪn ʌv .
The northbound platform tunnel partially collapsed and was filled with earth and water from the fractured water mains and sewers above, which also flowed through the cross-passages into the southbound platform tunnel, with the flooding and debris reaching to within  of .