Protesters told us that they had been standing in the rain for three hours, collecting signatures and donations and spreading the word.
One of the picketers talked to us and explained why they're picketing and what their goals are:
A spokesperson from Marks & Spencer however told PopUpNews that M&S is an "Apolitical company' saying: "Marks & Spencer does not support or align itself to any countries, nations, states, Governments, political parties or religious bodies."
On sourcing from Israel "M&S does not source products from Gaza, the West Bank or the Golan Heights."
M&S is one of the main food retail chains in the UK. The protest group is looking to get all food imports from Israel to the UK banned completely until Israel change their politics towards Palestine.