<prompt> Translate the following text to EnglishMstari wa 10 wa 12 Kwa kuchukizwa kwangu sana, Poirot hakuwa ndani, na Mbelgiji mzee ambaye alijibu kugonga kwangu aliniarifu kwamba aliamini alikuwa amekwenda London.  <response>: 123 Chapter 10 THE ARREST To my extreme annoyance, Poirot was not in, and the old Belgian who answered my knock informed me that he believed he had gone to London. 