Quickest Way to Identify Blocking Query and Resolution – Dirty Solution

As the title suggests, this is quite a dirty solution; it’s not as elegant as you expect.The Story:I got a phone call at night (11 PM) from one of my old friends, requesting a hand. He asked me if I could help him with a very strange situation. He was facing a condition where he was not able to delete data from a table. He already tried to TRUNCATE, DELETE and DROP on the table, but still no luck