Is it permissible to one to look around in Salat (prayer) if something happens to one? Or can one look at something like expectoration in the directn of the Qiblah?

Sahih al-Bukhari · Book 10 · Hadith 753

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا لَيْثٌ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّهُ قَالَ رَأَى النَّبِيُّ صلى الله عليه وسلم نُخَامَةً فِي قِبْلَةِ الْمَسْجِدِ، وَهْوَ يُصَلِّي بَيْنَ يَدَىِ النَّاسِ، فَحَتَّهَا ثُمَّ قَالَ حِينَ انْصَرَفَ ‏"‏ إِنَّ أَحَدَكُمْ إِذَا كَانَ فِي الصَّلاَةِ فَإِنَّ اللَّهَ قِبَلَ وَجْهِهِ، فَلاَ يَتَنَخَّمَنَّ…

Narrated Ibn `Umar: The Prophet (ﷺ) saw expectoration in the direction of the Qibla of the mosque while he was leading the prayer, and scratched it off. After finishing the prayer, he said, "Whenever any of you is in pr…

Sahih al-Bukhari · Book 10 · Hadith 754

حَدَّثَنَا يَحْيَى بْنُ بُكَيْرٍ، قَالَ حَدَّثَنَا لَيْثُ بْنُ سَعْدٍ، عَنْ عُقَيْلٍ، عَنِ ابْنِ شِهَابٍ، قَالَ أَخْبَرَنِي أَنَسٌ، قَالَ بَيْنَمَا الْمُسْلِمُونَ فِي صَلاَةِ الْفَجْرِ لَمْ يَفْجَأْهُمْ إِلاَّ رَسُولُ اللَّهِ صلى الله عليه وسلم كَشَفَ سِتْرَ حُجْرَةِ عَائِشَةَ فَنَظَرَ إِلَيْهِمْ وَهُمْ صُفُوفٌ، فَتَبَسَّمَ يَضْحَكُ، وَنَكَصَ أَبُو بَكْرٍ رض…

Narrated Anas: While the Muslims were offering the Fajr prayer, Allah's Messenger (ﷺ) suddenly appeared before them by living the curtain of the dwelling place of `Aisha, looked towards the Muslims who were standing in…