Yevgenia Synelnyk can barely look at her brother's photo a year after Russia captured him and over 2,000 other fighters in the siege of the Azovstal plant. She fears she hasn't done enough to bring him home. Families like hers have used protest, political pressure and their own pain to battle for their loved ones' return since the siege in the port city of Mariupol, which came to symbolise Ukrainian resistance. But advocacy groups say only about 500 of the fighters have been freed in exchanges – while the rest are cut off from families who have at times been left to wonder if they are even still alive. IMAGES AND SOUNDBITES