Eye on London

When you look at media programming on the surface, it is what it is.  Unfortunate events that cause the masses to ponder, "What next?"  Bad people formulating evil agendas to override policies, seek selfish gain, etc.  The message is disheartening and cold even if it all isn't going to be played out the way the film production company presents it.  There are often similarities in fantasy and reality.

UK's Cameron will not step down as prime minister early, source says

London is carrying out a major terror attack exercise

List of terrorist incidents in London - Wikipedia, the ...

However, there are those plans that are created to slow down population growth like Hollywood blockbuster movies to stress you out, so that you don't adventure seek, vacation or encourage anyone you know to relocate especially to an already overpopulated city, state or country.  If you hear enough negative about a place, then you are less likely to migrate there.  You will also reconsider leaving your current location, and if you are already there, you just might think twice about having a baby or adding any more to your family.

London population will grow to 9 million by 2020 | Daily ...

Historically, earthquake movies taking place in California have worked quite well keeping many people on the east coast.  In addition, many senior citizens won't dare fly out to the west coast, because of years of fear-based mind control programming using actual events, articles, movies, and more about airplane crashes.  

When the population rises rapidly in a location, elitists know when to instruct their sources to produce yet another movie with the pure intent to rattle nerves.  Most people will just stay put.

Learn more about neuromarketing.   In the London situation, companies most likely are already redirecting the focus of the migrants to places that they believe would be a better fit, more affordable, a good alternative, offer good paying jobs, etc. to slow population growth.