Given the document below, you have to determine if "Yes" or "No", the summary is factually consistent with the document.

Document:
These are external links and will open in a new window. The partially-dismembered body of NAME_1, 56, was found at his flat in Patterdale Walk in Boothville, Northampton, on 14 June 2016. He had been stabbed multiple times and "crude attempts" were made to destroy his body, a court heard. NAME_2, 49, NAME_3, 37, NAME_4, 30, and NAME_5, 35, of no fixed address, deny murder. At the start of their trial, Northampton Crown Court heard police officers had forced entry into the flat and found Mr NAME_6's remains in the bedroom. Several items were found at the property including knives, scissors and a rolling pin which had been used as weapons during the attack on 10 June, and an angle grinder which had been borrowed to try and destroy the body. A post-mortem examination found he had substantial facial injuries and had been stabbed fifteen

Summary:
1. Four men accused of murdering a vulnerable man in his own home and trying to cover up the attack spent days trying to destroy his body, a court has heard.

Is the summary factually consistent with the document? (Yes/No)
Start your answer explicitly with "Yes" or "No", and if you answer no, explain which sentence is inconsistent and why.
