article_snippet: Snaresbrook Crown Court, pictured, was told that Shamsul Islam molested a string of girls on public transport in London .
article_snippet: Shamsul Islam, 33, sidled up to girls as young as 15 on empty buses and trains across east London then sexually assaulted Shamsul Islam, 33.
article_snippet: Islam, from Barking, pleaded guilty to four counts of sexual assault, and was sentenced to three years in prison - after which A sex attacker will be deported to A sex attacker home country of Pakistan.
article_snippet: Mr Islam was arrested on September 17 after police used Mr Islam Oyster card to track Mr Islam down.
highlights_snippet: Shamsul Islam, 33, attacked one girl on a train and three others on buses .
  
highlights_snippet: Shamsul Islam has been sentenced to three years in prison and will then be deported .