The gunner of Samajwadi Party's senior leader and MLC Arvind Pratap Singh Yadav reportedly committed suicide by shooting himself in Mainpuri on Saturday.
He was found lying in a pool of blood inside his locked room and was rushed to the district hospital where he was pronounced dead.
The reason for the gunner's extreme step could not be ascertained. The body was sent for post-mortem after registering a case in this regard.
Further investigations are on in the matter.
The incident took place in Karhal locality of Mainpuri. The gunner, Neeresh Yadav, a resident of Nagla Nagar in Dado area of Aligarh, reportedly did not reach for duty on Saturday morning and also did not respond on the mobile phone so a police team reached his quarter and found it locked from inside. They broke open the doors only to find Neeresh lying in a pool of blood with a pistol in his hand.
Superintendent of Police of Mainpuri, Avinash Pandey, said they were trying to confirm the motive behind the suicide.
Meanwhile, 10 persons were killed in three separate mishaps.
In Mathura, four people were killed and three others sustained critical injuries in a truck-van collision in the Raya area, police said on Saturday. Superintendent of Police (Rural) Shrishchandra said that the accident happened at the Mathura-Aligarh road at around 0230 hours when the van driver dozed off and the vehicle collided with a truck.
Four people were killed on the spot in the accident, including two sisters and their brother.
The SP said all of them were headed to Rajasthan from Budaun.
The deceased were identified as Simran (20), Kajal (14), Rohit (18) and Manish (22). The injured included Prabhakar Sharma (45), his wife Neelam (41) and Amarpal (42), who was driving the van.
In Sambhal, four persons were killed and three critically injured when a car and a tanker collided in Baniyadger locality.
According to ASP Alok Jaiswal, a car and a tanker collided head-on on Agra-Moradabad highway killing four persons. The deceased were identified as Ubaid (28), his wife Ameena (26), son Aahil (5) and Chhoti (48). The injured were shifted to hospital.
The victims hailed from Pakadwada in Moradabad and were returning home after attending a marriage ceremony in Manakpur hamlet of the district.
The ASP said that a case was registered against the driver of the tanker and efforts were on to nab him.
In another tragic incident in Lakhimpur Kheri, a woman going with her one-month-old daughter in her lap to purchase medicines was crushed to death by a speeding vehicle.
Reports said that Rajendra Gautam, a resident of Gaur Chaukhadiya in Tambaur locality of Sitapur, along with his wife Susheela Devi, sister Gudiya Devi, cousin Pawan were going on two bicycles to Jaswantnagar to purchase medicines for his newborn twins. When they were returning, a speeding truck hit the bicycle of Pawan following which Susheela Devi with her newborn daughter fell on the road and the vehicle crushed them. Both died on the spot.