Lavaral 5 View syntax error

Here is my error.

Parse error: syntax error, unexpected ':', expecting ',' or ';' (View: C:\xampp\htdocs\demo\resources\views\upload\index.blade.php)

Here is my index.blade.php

 <label>Uplod your Attachments</label>

{!! Form::open(array('url' =>'upload/uploadFiles','method' =>'POST','files'=> true)) !!}
{!! Form:file('images[]', array('multiple' =>true)) !!}

{!! Form::submit('submit', array('class' =>'btn btn-lg btn-primary col-md-4')) !!}

{!!Form::close() !!}

via Dasun