J&T Express has apologised after videos of disgruntled workers hurtling customers' parcels at a sorting centre in Perak had gone viral.

The logistics firm denied that the workers' protest was due to a cut in wages. Instead, the company said it was due to a misunderstanding on year-end bonuses.

"Full bonuses are paid to employees who have worked for a year. For employees who have worked for less than a year, bonuses are paid according to the...