It was very hard to get a hold of the HR. I got rejected due to my current location (it said so in the rejection email) and when I replied to the HR through email AND LinkedIn, where I explained that I am willing to relocate to Bristol and that I don't require any relocation assistance, I was simply ghosted. If they are going to reject based on the current location of the applicant, they should at least verify if the person is willing to relocate etc. Definitely not worth trying to get a hold of anyone since all my efforts fell on deaf ears.