article_snippet.sent: Pictures from the scene show the area on the Yarra River cordoned off by blue and white police tape as officers look ready to response.
article_snippet.sent: Pictures show police have closed off 50 metres of the riverfront to pedestrians and Pictures have evacuated the area on the Yarra River .
article_snippet.sent: Witnesses said police descended on the scene about 10.40pm armed with shields .
article_snippet.sent: Police descended on the scene about 10.40pm armed with shields, witnesses told news.com.au.
article_snippet.sent: It came as up to 10 police cars pulled up near Eureka Tower along with closing off 50 metres of the riverfront to pedestrians.
article_snippet.sent: It is the first time We have seen so many police.'
highlights_snippet.sent: Police were called to Melbourne's Riverside Quay after 10pm on Sunday .
  