Drink driving charge over fatal WA crash

An alleged drunk driver has been charged over a crash that killed a 27-year-old woman and injured two children who were passengers in her car.

The two cars crashed head-on about 6.30pm on Friday in Landsdale, in Perth's north.

The 35-year-old man has been charged with dangerous driving occasioning death and having an alcohol reading in excess of 0.08.