LONDON (Reuters) - British infrastructure group Balfour Beatty (BALF.L) issued a fresh profit warning on Thursday, saying it had found further problems in its business which are likely to tip it into another loss for 2015.
Take context from the input text and decide on the accurate relationship between 'Balfour Beatty' and 'LONDON' from the options provided.
Options: headquarters location, industry, currency, product/material produced