According to Turkish news agency Dogan

  • gunfire and explosion heard near entrance to the palace which is the largest in Turkey and originally built in the 19th century to house the Sultan but now contains the offices of the PM
  • nowadays entry to the palace is by guided tour only but very popular with tourists
  • lira falls to fresh record lows of 2.92 vs USD

Turkey is currently experiencing political turmoil after the collapse of its govt and more recently the latest attempts to put together another coalition that I reported here

Update:

  • police detain two armed people near scene of shooting
  • no reports of casualties

Dolmabahce Palace Istanbul - Scene of a shooting incident today