The officials of the crime branch of Navi Mumbai police arrested the accused, identified as Manish Shashikant Ambekar, and his accomplice Anthony Thayappa Jangli (37), he said.
The 20-year-old man was arrested on Monday night, an official from Jawhar police station said.
District disaster control chief Vivekanand Kadam said that there was no report of any casualty or damage to property.
The incident took place around 1:30 pm on Monday near a zilla parishad school in Dahanu taluka following which the 46-year-old accused ran away.
Union minister Kapil Patil told reporters on Monday that there was 'no alliance' between BJP and the Raj Thackeray-led MNS, but they have decided on 'seat adjustment'.
The incident had taken place in MIDC Boisar in the district's Tarapur area and police had identified the deceased as Mithilesh Rajwanshi (34) and Chottelal Saroj (36).
The sound of the explosion was so loud that it was heard four to five kilometers away.
Palghar lynching: Maharashtra court orders clubbing of two FIRs 'to avoid multiplicity of litigations'
On April 16, 2020, a mob lynched two sadhus Chikne Maharaj Kalpavrukshagiri (70) and Sushilgiri Maharaj (35) - and their driver Nilesh Telgade (30) at Gadchinchale in Palghar district.
According to sources, Kalu Pawar, a tribal man had borrowed Rs 500 from Korde to buy a shroud for the last rites of his son in November last year.
The chief minister said that Palghar region was different from other districts of the state, as it had both forest land and a sea coast, with a rich tribal culture and historic locations.
The incident took place in Waliv area of Palghar on Saturday, an official at the Mira-Bhayander Vasai-Virar police control room said.
In the video of the incident, which occurred on Friday, the conductor of the bus is seen chasing the couple after they alighted from the bus at the Wada bus depot and starts manhandling the man.
The MLC demanded action against the contractor supplying food to the state government-run COVID-19 care centre at Vikramgad.
A four-year-old boy drowned after being swept away in a swollen drain in Thane's Ulhasnagar township on Sunday, an official at the police control said.
After being alerted, local firemen rushed to the spot and carried out rescue and relief operations.