Garment workers in the Gazipur and Savar industrial zones outside Dhaka protested for a third day on 23 September 2013, blocking major roads and attacking vehicles, and forced more than 100 factories to shut. They demanded a monthly minimum wage of US$100 against the prevailing minimum of US$38, after factory owners offered a 20 per cent rise the unions rejected as inhuman and humiliating. Police fired tear gas and rubber bullets and workers threw bricks, leaving at least 50 people including police injured. Some workers vandalised factories and protesters attacked a Bangladesh Ansar camp in Gazipur, from which rifles and ammunition were looted. The protest followed the April 2013 Rana Plaza collapse.