A bomb threat forced an Austrian Airlines flight from Tel Aviv carrying 57 people to divert to the Bulgarian capital, Sofia, late on Sunday, though a search found no danger, the airline and Bulgaria's BTA news agency said. Austrian Airlines says no threat was identified after search of Vienna-bound plane during emergency stop in Sofia Key points and original sources are listed below.

• A bomb threat forced an Austrian Airlines flight from Tel Aviv carrying 57 people to divert to the Bulgarian capital, Sofia, late on Sunday, though a search found no danger, the airline and Bulgaria's BTA news agency said.S1

• Austrian Airlines says no threat was identified after search of Vienna-bound plane during emergency stop in SofiaS2

• An Austrian Airlines flight from Tel Aviv to Vienna made an emergency landing in Sofia, Bulgaria, on Sunday night after a bomb threat, Hebrew media reported.S3