article_snippet: The victims -- two couples and the 84-year-old woman -- lived within 100 meters (330 feet) of the suspect's home, police said.
article_snippet: According to local media, the accused and the victims shared the same surname, but it is unclear if the victims are related.
article_snippet: CNN's Susannah Cullinane contributed to this report from London.
highlights_snippet: The accused shares the same surname as the victims, aged 59 to 84, local media say .
  