Hundreds of thousands of people are showing their solidarity with Palestinians by taking part in marches across Europe. Protesters in London are calling on the government to impose sanctions on Israel after its air strikes. Al Jazeera’s Paul Brennan reports from London, the UK. - Subscribe to our channel: aje.io/AJSubscribe - Follow us on Twitter: twitter.com/AJEnglish - Find us on Facebook: www.facebook.com/aljazeera - Check our website: www.aljazeera.com/ #SavePalestine #PalestineSolidarity #AljazeeraEnglish