Two people have been taken to hospital after three cars collided in Merthyr Tydfil.
A house was also struck in the crash in Urban Street, Penydarren, just before 19:15 BST.
Two adults, one with neck injuries and the other suffering from shock, were taken to Prince Charles Hospital by ambulance.
Firefighters made the vehicles and the scene safe, but a cordon was erected because a gas main was severed.
Gas engineers have been called in to repair the damage.