article_snippet.sent: Graphic designer Lesia Biloshytska, who was at Stockwell station, told how passengers screamed when a man was hit.
article_snippet.sent: There were a lot of people on the platform when it happened, and some were screaming.
article_snippet.sent: Commuters told of Commuters shock after witnessing the accident, which happened shortly before 9am today .
article_snippet.sent: Someone who I believe was on the platform was checking for a pulse.
article_snippet.sent: Someone who I believe was on the platform face was covered in blood.'
article_snippet.sent: Others went on Twitter to tell of what Others had seen.
article_snippet.sent: horrific accident was witnesses by scores of commuters, who told of their horror on Twitter .