Police were yet to disclose the nature of the explosives seized from the duo.
Bajrang Muni Das, the mahant of the Maharshi Shri Lakshman Das Udasin Ashram in Khairabad town, allegedly made the speech and threat on April 2 and the video of it surfaced on social media platforms on Thursday.
As many as nine Kanwariyas died and several others were injured when their vehicle came in contact with a high-voltage overhead wire in Bihar's Hajipur.
The Uttar Pradesh police on Tuesday constituted a Special Investigation Team (SIT) for a "transparent" and expeditious probe into cases lodged against Alt News co-founder Mohammad Zubair in various districts of the state, a senior official said.
Over 50 people have been arrested after the communal violence in Maharajgaj town, officials said on Tuesday, as markets remained shut and people stayed indoors for a second day in a row amid heavy deployment of police and other security personnel.
Earlier, army chief Gen Bipin Rawat said that full cooperation will be extended in investigation of the incident.
With two of the four farmers killed in Lakhimpur Kheri violence turning out to be from Bahraich, local residents on Monday both mourned their deaths and agitated against their killings amid an eerie silence enveloping their villages.
Additional Director General Intelligence SB Shiradkar had Friday submitted a report on the violence.
These 15 districts, included Agra, Lucknow, Ghaziabad, Gautam Buddh Nagar, Kanpur, Varanasi, Shamli, Meerut, Bareilly and Bulandshahr.
While a nine-year-old girl was raped and murdered in Uttar Pradesh's Etah, an 11-year-old girl was allegedly raped and killed by a guest at a wedding in Chhattisgarh.