Deputy President William Ruto has received a rear backing, this time from a man who has been his fiercest critic.

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Dr Miguna Miguna on Thursday said President Uhuru and opposition leader Raila Odinga's decision to fight Ruto using proxies was an act of cowardice reminding the two to face the DP head-on.

"It is cowardly for both Uhuru Kenyatta and Raila Odinga to fight William Ruto through proxies," Miguna tweeted.

"Instead of using their party dogs to fight William Ruto, they should face him head-on. Don't shadow-box. Charge him in court for corruption. Let Kenyans see the fireworks now; not later."

Miguna has been a constant critic of the DP who he has been accusing of corruption and stealing the August 2017 presidential election in favour of Uhuru.

But his Thursday declaration about the former Eldoret North MP which indirectly hinted on how the deputy president is strong may send shock-waves to the Jubilee administration especially leaders against Ruto's anticipated 2022 presidential candidature.

There have been claims that Uhuru's decision to give Interior Cabinet Secretary Dr Fred Matiang'i sweeping powers to oversee operations and implementation of projects in all ministries is meant to undermine Ruto ahead of 2022.