Russia tightens security as Wagner chief accused of mutiny
- Security in Russia has been tightened following a dramatic escalation of infighting
- The head of the Wagner mercenary group is being investigated by security services for inciting mutiny
- Yevgeny Prigozhin claims his forces have crossed the border into Russia from Ukraine, but no evidence of this has emerged so far
- Earlier, he accused the Russian military of launching a deadly missile strike on his troops on Friday
- He said the "evil" in the military leadership must be stopped and vowed to "march for justice", but claimed he was not attempting a military coup
- The Kremlin has denied the missile strike and demanded Prigozhin halt "illegal actions"
- Vladimir Putin is aware of the situation and is receiving "constant" updates, the Kremlin says
- Senior Russian generals have called on Wagner fighters to stand down, saying they are playing "into the enemy's hands"
