Explosions and gunfire reported at Istanbul's Dolmabahce Palace

An explosion near Istanbul's Dolmabahce Palace on Wednesday afternoon was followed by gunfire, according to local reports.

The palace contains an office for President Recep Tayyip Erdogan, although he was in Ankara on Wednesday.

Turkish police were quick to detain two armed suspects near the scene of shooting, with no casualties reported yet, the Doğan News and Haberturk agencies said.

Witnesses reported hearing a loud explosion, followed by sounds of a clash, Bloomberg reported.