Update: Khloé Kardashian Flies Lamar Odom's Father, 2 Children and Their Mother Liza Morales to Las Vegas + Kourtney, Kendall & Caithlyn Join The Family.

Khloé Kardashian is doing everything she can to help.
E! News has learned that the 31-year-old E! star arranged for Odom's father, Joe Odom, as well as the former NBA star's two children, Destiny Odom and Lamar Odom Jr. and their mother, Liza Morales, to fly out to Las Vegas as the 35-year-old remains in a coma after being found unconscious in a Nevada brothel following an apparent drug overdose.
We're told that Odom's two children, along with Morales, are currently en route to the hospital from New York. Joe Odom, meanwhile, was photographed at Sunrise Hospital earlier today.
The news comes shortly after E! News learned Khloé and Lamar are still legally husband and wife, meaning the 31-year-old E! star is in charge of making medical decisions at this time.
Earlier today, a source told E! News the former professional athlete is "in a coma and hasn't woken up or responded." The hospital source added that Odom appears to have suffered an "ischemic stroke," which is often associated with a cocaine overdose, among other drugs, and he "likely" suffered brain damage.

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In the days following his sudden hospitalization, Odom was expected to appear in front of a New York judge as part of his ongoing custody case with the mother of his children.
Odom and Morales were together for over 10 years and share three children together: Destiny, born in 2008, Lamar Jr., born in 2002 and Jayden, who died at 6 months old of SIDS in 2006.

Kourtney Kardashian and Kendall Jenner have joined their family in Las Vegas.
The 36-year-old E! star and supermodel were spotted arriving separately at Sunrise Hospital in Nevada this afternoon to be by Lamar Odom's side, along with sisters Khloé Kardashian, Kim Kardashian and mom Kris Jenner. Kourtney, who was seen earlier today in Los Angeles taking daughter Penelope and niece North West to dance class, pulled up to the hospital in a black SUV, similar to Kendall.
 Kourtney's arrival also comes on the heels of learning that her ex Scott Disick has entered a rehab facility. The 32-year-old father of three has entered rehab for his struggles with drug and alcohol abuse, which have been heavily chronicled on Keeping Up With the Kardashians. E! News also confirmed  Caitlyn Jenner is traveling to Las Vegas to be at Lamar's bedside.
 Wishing Lamar and his family all the best during this difficult time.