Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A murderer who strangled a woman and put her body in a cupboard has been rearrested after three weeks on the run. William Kerr absconded from a bail hostel in Hull after he was released from HMP Stocken in Rutland on licence in January. The 53-year-old, who was jailed in 1998 for the murder of Maureen Comfort, was apprehended in the street in Waterloo, south London, around 7pm on Friday. William Kerr (left), who strangled Maureen Comfort (right) and put her body in a cupboard 20 years ago, has been rearrested after three weeks on the run His arrest came after a £5,000 reward was offered for information about his whereabouts on BBC's Crimewatch.William Kerr was released on licence in January but left bail hostel in Hull53-year-old was jailed in 1998 for the murder of Maureen ComfortMs Comfort's body was found in a cupboard in her flat by relatives 
 Question:He said: 'Thanks to some information received following the Crimewatch appeal we were able to track Kerr to a specific area of _.

London