Question: I visited a local mosque, different to the one i usually attend. During the Fajr salaat in the second rakaat of the farz namaaz, after Ruku, the imam said samiallah huliman hamida and stayed standing and recited several dua and then proceeded to sajdah. is this a correct thing to do according to any of the madhabs.
Answer: This is the Qunuut of Fajr, which is a sunnah according to Al-Saafi^iy. According to Hanafis the Qunuut is only in Witr prayer and whenever there are calamaties happening to the muslims.
... and Allah knows best.
