Original sentence: However, the Finn retired with a tyre puncture on lap 63, handing the lead back to Piquet and elevating Mansell into second place, which would have been sufficient for the Englishman to secure the championship.One lap later, Mansell's race ended  as his left-rear tyre exploded on the main straight with only 19 laps remaining
Edited sentence: One lap later, Mansell's race ended in a spectacular fashion as his left-rear tyre exploded on the main straight with only 19 laps remaining.This lead, however, wasn't to last and the Finn retired with a tyre puncture on lap 63, handing the lead back to Piquet and elevating Mansell into second place, which would have been sufficient for the Englishman to secure the championship