It is narrated from Sayyiduna Bara' bin Azib and Sayyiduna Zayd bin Arqam (may Allah be pleased with them both); they said: We heard the Messenger of Allah (peace and blessings be upon him) saying: "Indeed your blood and your wealth are sacred to you, just as the sanctity of this day of yours in this city of yours."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5037