Complex sentence: On 18 August 2014, Assange announced in a press conference that he would be leaving the Ecuadorian embassy "soon" and cited potentially life-threatening health concerns for his decision to leave.
Split into simpler sentences: On 18 August 2014, Assange announced in a press conference that he would be leaving the Ecuadorian embassy "soon". News reports cited potentially life-threatening health concerns as possible reasons for his decision to leave.