By Alia Shoaib  Insider

Following its invasion of Ukraine several weeks ago, Russia’s once-feared military has faced fierce resistance.

Some experts believe that Russia may have overreached, as it has struggled to make the quick progress it expected to and has reportedly lost a slew of high-profile military figures.

Six Russian major generals are said to have been killed in the fighting, along with numerous other senior officers, according to reports.

Russian commanders are moving up towards the frontline in an attempt to restore momentum to the invasion of Ukraine according to western officials, said Gordon Corera, a BBC security correspondent, in a tweet.

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