Boston bombing aftermath: How you can help

By Courtney Hazlett, NBC News

As law enforcement continues to update the public with the latest developments related to the deadly blasts that took place at the finish line at the Boston marathon, many are wondering what they can do to help. Here's what you can do.

Trying to reach a loved one? Text, don’t call
The Massachusetts Emergency Management agency tweeted the message earlier that if you're trying to reach friends and family and can't get through via phone, texting is your best option as it requires less bandwidth. The Boston mayor's hotline is also a land line option: 617-635-4500.

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If you are 'Safe and Well,' please register to say so
The Red Cross "Safe and Well" page exists to let concerned friends and family know you're OK. Sign in there if you are in the Boston area and someone might be worried about you. The Red Cross also urges youto update your social media pages, too.

Reach out with tips
The crime tips hotline in Boston can be reached at 800-494-TIPS.

House someone who is displacedBoston.com has set up a Google Doc for those who need a place to stay or have a place to house runners who can't get back to their hotels or fly out of the city.

Do not rush to give blood in Boston
The Red Cross tweeted that there's is "enough blood on shelves to meet demand," following the tragedy in Boston. However, American Red Cross spokeswoman Anne Marie Borrego tells NBC News that she encourages those who want to help or give back in some way to schedule a time in the future to give blood. Most importantly, people — especially those in Boston — can help by visiting the Safe and Well website, and to "listen to local authorities."

Additional reporting by Melissa Dahl