A neighbour has claimed Isidro Garcia "was always watching" his captor from a window whenever she left the house.
Maribel Garcia said it appeared that the woman - who was kidnapped by the 41-year-old 10 years ago - "knew she had to do what he said".
More top news
Mayor of London Sadiq Khan is backing the scheme.
Sunday will be a fine day across much of Scotland and northern England, with much less coastal mist and low cloud than yesterday.
A spokesperson said the lightning strikes had left the "aircraft fuelling system unavailable."