Four activists have been arrested in Wooburn Green.
Palestine Action said its members occupied GRiD Defence Systems on Thursday morning.
Thames Valley Police confirmed three women aged 24, 30 and 31, and a man aged 56 had been arrested on suspicion of burglary and criminal damage.
The activists claimed to have “barricaded themselves inside" the office and "destroyed military hardware and unfurled banners".

PM responds to concerns raised by Aylesbury MP over AI chatbot safety
Ducks appoint long-serving fan as new chairman
Two men sentenced for drug supply and driving offences in Aylesbury
Three shops fail knife test purchase operation in Aylesbury
Buckinghamshire MPs Unite in Frustration as HS2 Delayed Until at Least 2039
Sinkhole Forces Emergency Closure on Broughton Avenue
Sustainable School Expansion Takes Shape at Kingsbrook Development
The Richard Whitehead Foundation and Inclusion Through Adventure Days Piloted in Bucks











