<p>A Russian aircraft flew "dangerously close" to a US drone over Syria earlier this week in violation of established protocols and international norms, the White House said on Wednesday.</p>.<p>"We have seen the early reports of a second Russian fighter aircraft this week, flying dangerously close to our drone on a defeat ISIS mission," White House spokesperson Karine Jean-Pierre told reporters in a press briefing.</p>.<p>The US military said on Tuesday the Russian fighter jet hit the US drone with a flare and "severely" damaged its propeller over Syria.</p>.<p>US officials say that Russian jets have increased the pace of dangerous encounters with US military aircraft in recent months over Syria, where forces from both countries operate.</p>
<p>A Russian aircraft flew "dangerously close" to a US drone over Syria earlier this week in violation of established protocols and international norms, the White House said on Wednesday.</p>.<p>"We have seen the early reports of a second Russian fighter aircraft this week, flying dangerously close to our drone on a defeat ISIS mission," White House spokesperson Karine Jean-Pierre told reporters in a press briefing.</p>.<p>The US military said on Tuesday the Russian fighter jet hit the US drone with a flare and "severely" damaged its propeller over Syria.</p>.<p>US officials say that Russian jets have increased the pace of dangerous encounters with US military aircraft in recent months over Syria, where forces from both countries operate.</p>