Demonstrate outside the Home Office - 4 pm - http://www.meetup.com/BritCits/events/124143892/
Lobby of Parliament - 6 pm - http://www.meetup.com/BritCits/events/116180522/
Do sign up to the BritCits meetup group. It'd be great to see lots of people there.
More ways to campaign (and there are a lot) : http://britcits.blogspot.co.uk/2013/06/and-whats-next-in-terms-of-next-steps.html
Keep up the good work!
Bringing down the Berlin Wall.
PS - Please please please also sign the letter of support on the Migrants Rights Network website : http://www.migrantsrights.org.uk/support-the-right-to-family-life