Kris Jenner and Rob Kardashian have taken to social media urging for prayers for Lamar Odom.

Lamar Odom

Lamar Odom

The basketball player's ex-mother-in-law and best friend have used photo sharing app Instagram to urge people to keep Lamar - who was found unconscious in the Love Ranch brothel in Nevada on Tuesday (13.10.15) - in their thoughts and prayers.

The 'Keeping Up with the Kardashians' momager wrote on Instagram, alongside a picture of the NBA player: "Please pray for Lamar #ourfighter (sic)"

And Rob, Lamar's ex-wife Khloe Kardashian's brother, also shared a heartbreaking message addressing the sports star as his "brother".

He wrote alongside an image of him hugging Lamar: "Praying nonstop for my Brother !! (sic)"

Meanwhile, Khloe's half-sister Kendall Jenner has reportedly dropped her work at Shanghai Fashion Week and flown to Las Vegas to join sisters Khloe, Kim and Kourtney Kardashian by the ailing 35-year-old former NBA star's bedside, according to MailOnline.

A source previously said: "Everyone has dropped everything to get there. There are a lot of calls and texts going back and forth as everyone is figuring out how they can help and be there for each other.

"They are asking their close friends to pray for Lamar, for healing and strength. There is confusion about his condition, and they don't know the extent of his injuries, but I'll tell you this: they wouldn't just drop everything unless it was serious. The family has been told that this isn't just a minor thing; that it was extremely serious.'

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