The Kremlin has dramatically increased the personal security around President Vladimir Putin, installing surveillance systems in the homes of close staffers as part of new measures prompted by a wave of assassinations of top Russian military figures and fears of a coup, according to a report from a European intelligence agency obtained by CNN. The Kremlin has dramatically increased the personal security around President Vladimir Putin, installing surveillance systems in the homes of close staffers as part of new measures prompted by a wave of assassinations of top Russian military figures ... [8045 chars]