Michael Johnson, of Twyford Way, Canford Heath, was jailed for an acid attack on two teenagers in a takeaway in Sheffield Michael Johnson, aged 29, and Benjamin Brightmore, 26, got involved in a row with a group of teenagers in Maranto’s takeaway in Sheffield, during which acid was thrown in the shop. Two teenagers, a boy and a girl both aged 17, were sat at a table inside the takeaway when Johnson threw ammonia in their faces while Brightmore was at his side.