A 3-year-old girl was standing behind a locked security door on the side of the unit, unable to open it. Angulo pulled at the steel door enough to "bend it upward", officials said.
The fire has been ruled accidental, and is expected to have started as a cooking fire on the stove that quickly spread across the kitchen.
The grandfather, who was taking care of the children at the time, was reportedly in a back bedroom and couldn't get to them due to the fire.
Two policemen injured in accidental firing
A security personnel was martyred and two terrorists were neutralised on Monday in an encounter in Jammu and Kashmir's Qazigund . Soon after the attack, army along with additional reinforcement launched a cordon and search operation to nab the assailants.
KSNV and the Washington Post report that Anival Angulo was walking along a quiet Las Vegas street late Friday morning when he saw smoke coming out of a nearby apartment building. "Went to the door and saw the babies so I jumped the fence and I pulled on the screen door and I wrapped up the babies and pulled them out".
Firefighters say without Angulo's actions, the children probably would have suffered severe smoke inhalation and burns.
Officials say the grandfather couldn't get to the children because of the fire.
Soon after, firefighters arrived at the scene and were able to put the blaze out in about 10 minutes. The door opened and the little girl ran to him, wrapping her arms around his waist, authorities said.
Piece of cheese a day slashes coronary heart assault and stroke danger
Scientists at Reading University said their findings questioned years of public health advice on limiting dairy foods intake. This is why the British Heart Foundation advises heart disease patients to forgo cheese and replace it with yogurt or milk.
Las Vegas Fire and Rescue received multiple 911 calls at 11:33 a.m. that an apartment was on fire and small children were trapped inside. "I just knew I had to get them out", he told local media. "His action certainly saved the children's life".
Angulo took both children away from the building to a safe area, where they were later taken to University Medical Center and checked for minor smoke inhalation.
"It's obvious if this person hadn't been there, these children could've been burned or may have been killed in the fire", Las Vegas Fire Rescue's Tim Szymanski said. The "Corridor of Hope" will be located about two miles from where Angulo pulled the children from the blaze.
Micromax launches 'Canvas Infinity Pro' with dual-selfie cameras
The Canvas Infinity Pro comes in 5.7 inch full vision display with 18.9 aspect ratio offering 1440×720 pixels resolutions. Connectivity options in the smartphone include 4G LTE, VoLTE, Wi-Fi 802.11 b/g/n, Bluetooth 4.2, GPS, and USB OTG.