Rosa Feldman stood at the door of her Brick Lane newsagent’s, staring out at the street she’d known since she was four. She couldn’t shake the feeling that something was wrong. It was the shop opposite, run by the young Lithuanian couple. Since first thing this morning, the lights had been off and the shutters down. Initially, she was relieved that for once, the ugly neon sign, with its air of Margate or Blackpool, wasn’t flashing outside her bedroom window, but as the morning progressed, she felt increasingly uneasy.