On 16 February 2001, a large explosive device blew up a coach travelling through Podujevo from Serbia carrying 57 Kosovo Serbs, killing 11 with a further 45 wounded and missing. The coach had been part of a convoy of 5 coaches, escorted by the Swedish military armoured vehicles under British command, the attack took place in a British Brigade Area; within hours; within hours Serbs within Kosovo formed crowds and began attacking Albanians. On 19 March 2001, 3,000 British and Norwegian troops arrested 22 Albanians suspected in the involvement of the bus attack, G squadron 22 SAS spearheaded the operation, the SAS were specifically requested because it was believed the suspects were armed, the SAS carried out the operation early in the morning, when most of the suspects were asleep.