Evening Standard said last week it was shutting down production in Hackney, which was repeated this week in Time Out:

http://www.standard.co.uk/news/london/london-fields-brewery-jobs-outside-london-beers-brewed-employees-made-redundant-10090419.html

The brewery is being (needlessly?) defensive on Twitter though:

https://twitter.com/LdnFldsBrewery/status/577797221116219393

Also, stuff seems to be deleted from Twitter as well, last night I was sure they'd replied to this with a patronising "don't believe everything you read", but I can't find it now:

https://twitter.com/MelissaCole/status/577787286273806336