HOUSTON - Houston police say a woman and a girl died due to carbon monoxide poisoning after a car was left running in the garage to try to create heat when the power was out.Officers were dispatched to 8300 La Roche in southwest Houston on a welfare check.RELATED: Another winter storm to impact southeast Texas: What you need to knowUpon making entry, they found two adults and two children affected by carbon monoxide poisoning, police say.Houston police say four people suffered carbon monoxide poisoning in the 8300 block of La Roche. (Photo: Houston Police Department) The woman and the girl did not survive.