Solidarity with Palestine
This week has seen an overwhelming display of force on the part of the Israeli government, with attacks on Gaza leaving hundreds dead and thousands more wounded.
In Brighton, demonstrators will converge on a factory of EDO MBM, an arms company which provides weapons components to the Israeli army.
The International Federation of Journalists has condemned a deliberate Israeli strike on a TV station based in Gaza.
Meanwhile, a group of Turkish hackers have taken down a number of Israeli websites.
(Thanks to a commentor for clarification on the last point.)