We turn now to the water crisis gripping North America's biggest city. The

Mexico City area is home to some 22 million people and solutions to keep

water accessible have been elusive.

As special correspondent Julia Galiano Rios reports,

there are a number of factors complicating the situation.

This has become a daily routine for 53 year old Tresabasquez.

To clean the dishes or wash clothes for her family of 10,

she ladles murky water from a barrel.

It's been 10 water from a barrel.

It's been 10 years since a single drop came from her taps.

It's very hard living without running water.

We have to wash our clothes with very little

water, do dishes with very little, shower with very little. It's very hard to live

without the water we need. Vazquez lives in the largely impoverished Mexico City neighborhood of Istapalapa.

Every day she has to buy bottled water for drinking and bathing her grandkids.

This water she says is too dirty.

The water is not clean, but we need it, so we have to take it how it comes. There's no point in complaining. In fact, when we do complain, they sometimes don't even bring it. So yes, it's dirty, but at least we have water.

Once a week, a city truck delivers water piped into an 800-gallon tank outside her home.

This is the reality for hundreds of thousands of residents in a sprawling metropolis running out of water.

Residents in this community, one of many like it in the city, tell us they rely on these trucks for their water consumption.

Now as the situation worsens in the system

becomes more and more strained, tensions rise in these communities as neighbors

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