An explosive device was reportedly hurled at the entrance from a passing motorcycle.
Turkish Interior Ministry named Gulen among 130 people wanted by authorities.
The AS532 Cougar is thought to have hit power lines before crashing.
The move appears to be in retaliation for US criticism of violence used by Turkish security to break up a protest.
The Turkish president appears to communicate with a security aide before the violence breaks out.
The Orphans City is expected to house around 990 children in 55 villas.
Turkey has fired thousands of people accused of having links to US cleric blamed for failed July 2016 coup.
Its thought the driver lost control of the minibus and ploughed through a crash barrier.
There were delays of 90 minutes after the women said they skipped security and made gestures.
Talks did not involve representatives of Assad government or rebels.
Crew members rescued unharmed after crash in waters north of Istanbul.
In a post-truth world, not every referendum is democratic.
AFRINIC is considering banning countries that cut off internet access from receiving new IP addresses.
The Republican People's Party called for the vote to be annulled citing irregularities including an electoral board decision to accept ballots that didn't bear official stamps.
US president strikes different tone to EU leaders amid concerns over curtailment of democratic freedoms.
With anti-Erdogan protests simmering across major cities, opposition calls for annulling the referendum.
The president has shrugged off talks of a recount in the voting outcome.
A vote for an executive presidency won by a narrow margin of 51.41%.
The Roman Empire had lucrative contracts exporting wine and pottery goods from its Eastern provinces.
Security beefed up across Turkey amid Isis threat as voting began on amending the military-era constitution.
Trouble both inside and outside ground causes quarter-final to start 45 minutes late.
Turks are currently voting in a referendum to decide whether their constitution should be amended.