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According to https://twitter.com/InternetIntel there was a significant Internet disruption starting 15:30 UTC June 25th following controversy surrounding presidential elections hover the past weekend. Below is the daily packet loss of three hosts in Mauritania measured by pinging them rpm from SLAC.
Looking in more detail at the PingER Beacon host MR.NIC.N2 (AKA www.nic.mr) we see:
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According to https://twitter.com/InternetIntel reporting on June 23 "Another 4.5 hour Internet blackout in Syria beginning at 01:00 UTC (4-8:30am local) for another student exam. 6th such outage this month. Next exam (& internet blackout) to occur in two days." This is seen in the plot below of the Syrian PingER Beacon host www.iust.edu.sy.
Iraq July 2019
On July 15th, Internet Intelligence reported three exam-related national blackouts in Iraq in the past week, see here. Outages intended to prevent cheating on student exams.
