It was in group. Given exercises you had to solve together and it took place in London. Took less than a normal working day would take. Some test were involved to see how good you are at logical thinking and the language

Very simple, it was online. Lasted around 5 minutes and just asked me for a time I had displayed good customer service and if I was fully available. I was also asked if I had any holidays planned or booked in the upcoming months and shortly after the interview I received an email with the training details