Humza Yousaf cancels Glasgow speech as speculation grows over political future

Allies of Scottish first minister say he will come out fighting' after Greens say they would back no confidence motion

• UK politics - latest updates

Scotland's first minister has cancelled a speech he was due to give in Glasgow amid speculation over his political future.

Humza Yousaf had been expected to speak about the labour strategy in an independent Scotland, participate in a Q&A session and take questions from the press on Friday.