Salamat Khalilov, 46-year-old was among thousands injured in last Friday’s protests in Nukus, capital of Uzbekistan’s Karakalpakstan region. Unprecedented unrest over constitutional amendments shook this provincial city last Friday, killing 18 people. Violence forced President Shavkat Mirziyoyev to walk back proposed changes to the constitution.   Salamat Khalilov, an Uzbek builder, is unsure what blew off his left leg while