Humanitarian Action in Ukraine today is a mix between Government-led operations, international humanitarian action and a myriad of grassroots initiative providing essential support to vulnerable populations. But how do these very different types of aid come together? Can "Big Aid" connect with "Little Aid" and can the grassroots initiatives be scaled to become "Little Big Aid?"Lewis Sida has worked in the humanitarian sector for decades. In Ukraine he has gone rogue, become a "nutter" and is supporting a guy called Vlad who has some medical supplies and a couple of trucks.Lewis and Lars Peter Nissen explore together the space between big and small aid and contrast the Ukrainian operation with humanitarian action in Yemen.