An express bus skidded and overturned at Km264.5 of the North-South Expressway near the Menora Tunnel today, injuring 21 passengers.

Ipoh district police chief Abang Zainal Abidin Abang Ahmad said the accident happened at about 7am when a 44-year-old car driver, driving from Kulim, towards Ipoh, was believed to have lost control of his vehicle.