From donating blood to contacting your elected representatives to support stricter gun controls, you can do something.

Donate Money  
Those unable to donate blood can give money to organizations helping the victims. Newsweek points to the Southern Nevada chapter of the American Red Cross, which accepts donations online, by phone at 702-369-3674, or by mail at 1771 E. Flamingo Road, #206B, Las Vegas, Nevada, 89119.
A GoFundMe set up by Steve Sisolak, Clark County Commission Chair from Las Vegas, and other pages are being created to raise money for victims, as well.

Trauma Counselors 
The Mandalay Bay Resort tweeted Monday afternoon that it was in need of certified trauma counselors to help those in need.

Looking For Loved Ones
Those looking for information about loved ones still missing are asked to call 866-535-5654. Additionally, Facebook has turned on its safety check feature for those in the Las Vegas area.

Support Gun Control Legislation 
People who back stricter gun control measures should contact their state and federal elected officials. Nevada’s gun laws are some of the most lax of any state.

Read the source article at huffingtonpost.com