VIRI IRIB in Arabic on strange/wrong 6210 kHz, November 19

IRAN   VIRI IRIB in Arabic on strange/wrong unscheduled 6210 kHz, November 19
1426&1727 on  6210 SIR or ZAH or AHW to N/ME Arabic and off air around 1820UT
Same time on  6210 unknown kW / unknown to ???? Persian UNID stn co-channel!!
https://www.youtube.com/watch?v=6ieFoASEcoA&feature=youtu.be
https://www.youtube.com/watch?v=lr6umlgcYfA&feature=youtu.be
https://www.youtube.com/watch?v=za3i6wFZS2Y&feature=youtu.be
https://www.youtube.com/watch?v=Y_kguVoqePE&feature=youtu.be
https://www.youtube.com/watch?v=LWxQ7fsX3pI&feature=youtu.be
https://www.youtube.com/watch?v=2vHOA52EztA&feature=youtu.be