[Photo by: @LasVegas51s/Twitter]

In the wake of the tragic mass shooting that occurred last night, Las Vegas residents are lining up en masse to donate blood for the victims. 

Read more: 58 dead, more than 500 injured in mass shooting at Las Vegas music festival—UPDATED

As previously reported, last night a single shooter opened fire from the 32nd floor of Las Vegas' Mandalay Bay Resort and Casino at 10:08 p.m. as country singer Jason Aldean headlined outside at the Route 91 Harvest Festival, reports say. 50 people were killed and more than 400 injured. The suspect, 64-year-old Stephen Paddock, was killed by police, Sheriff Joseph Lombardo of Clark County confirmed

As the investigation unfolded, the Las Vegas police force tweeted out that the city was in need of blood donations for the victims. 

In their press release, the LVMPD announced that there would be various blood drives through United Blood Services at 6930 W. Charleston in Las Vegas, 601 Whitney Ranch Drive in Henderson, and UMC’s Delta Point Building located at 901 N. Rancho Lane starting at 7am. 

This morning, the people of Las Vegas are coming out in droves to support the victims and donate blood. 

Evidently, lines have been out the door all night as citizens waited for the centers to open. 

It is amazing to see the citizens of Las Vegas coming out in such numbers to help. If you are in the area and would like to donate, below are some more blood drive locations. 

So many amazing people in our scene have been sharing their condolences with Vegas this morning, including Kevin Lyman, who tweeted to encourage donating blood.

Again, this story is still developing, so check back at our original post for more updates as they become available.