Gazipur-5 BNP candidate Fazlul Haque Milon and at least 53 activists of the party and its key ally Jamaat-e-Islami have been arrested in separate cases since Wednesday night.
On the other hand, fresh polls violence left some 45 people injured in different districts yesterday.
Law enforcers picked up Milon, president of Gazipur BNP, in Kaliganj upazila's Bartul area around 3:00pm, reports our correspondent there.
Shamsunnahar, superintendent of police in the district, said the BNP leader had been facing arrest warrants in seven cases filed with different police stations in Dhaka.
Talking to The Daily Star, Shakhwat Hossain, joint secretary of the BNP unit, claimed that Milon had got bail in all those cases.
But Awami League men had been “warning him” against going to the constituency, he said, adding police even raided his home in Dhaka a few days ago.
Law enforcers in Gazipur also arrested two local BNP leaders in Bhangnahati area of Sreepur upazila in cases filed for sabotage.
Meanwhile, unidentified people attacked a procession of MP candidate for Dhaka-12 Zonayed Saki in front of Tejgoan College in the capital yesterday, said a press release from his left-leaning organisation Ganasamhati Andolon.
In Chattogram, at least seven policemen were injured as BNP men and other locals attacked them in Double Mooring area early yesterday. Later, 34 people were arrested in connection with the incident.
Witnesses and police said law enforcers raided the house of a BNP leader, Abdul Mabud, who owns several houses of a tin-shed colony in the area, and arrested him in a case filed for sabotage.
When the policemen were leaving the area, along with Mabud, 45, several BNP men, along with many locals, started pelting stones at the law enforcers and tried to free the arrestee but failed, said police and witnesses.
Following the attack, around 50 to 60 police personnel cordoned off the area and made the arrests, said police.
A case was filed for attacking police, obstructing them from discharging duties and blasting crude bombs, Asikur Rahman, assistant commissioner (AC-Double Mooring zone) of Chittagong Metropolitan Police, told The Daily Star.
In Tangail, a court sent Mir Julfikar Shamim, general secretary of Sakhipur Krishak Sramik Janata League, to jail yesterday, a day after he had been arrested in a case filed for planning subversive activities.
In Faridpur, at least 17 BNP and Jamaat men were arrested for “sabotage” in separate drives in the last two days, said police.
In Noakhali, a Jubo League man filed a case on Wednesday night accusing around 300 BNP-Jamaat men for killing one of his fellow activists.
Meanwhile, Md Hanif, a ward-level leader in Sadar upazila, was shot dead in Shullokia area on Tuesday afternoon.
Police and AL men said the bullet was fired from a BNP procession -- an allegation denied by the party.
Elsewhere in Narayanganj, 10 people were injured in a clash between AL and BNP men in Purinda area of Araihazar upazila yesterday.
The clash broke out when two processions brought out by MP candidates reached the area around 2:00pm, said police.
At least eight BNP activists were injured when unidentified people carried out an attack at a campaign rally of Jashore-3 party candidate Anindya Islam Amit in Halsa Bazar area of Sadar upazila.
In Pabna, at least 5 were injured and two vehicles were damaged when criminals attacked the motorcade of Prof Abu Sayeed, Jatiya Oikyafront candidate in Pabna-1, in Santhia bazaar area of Santhia upazila yesterday afternoon.
Three BNP men were injured and a vehicle was vandalised when party candidate in Jhalakathi-2, Jeba Amin, came under attack twice in the town.
In Noakhali, a clash between AL and BNP activists left 15 injured yesterday afternoon at Darbeshpur village under Hatiya upazila.
During the clash, some vehicles of BNP aspirant were vandalised.
Narayanganj, a Chhatra League leader allegedly assaulted the BNP candidate in Narayanganj-3 during a meeting at Sonargaon upazila parishad building yesterday.
Police arrested Ikramul Hasan alias Rony Billah and a mobile court jailed him for three months, said Sonargaon UNO.
In another development, the officer-in-charge of Narayanganj's Rupganj Police Station was withdrawn yesterday.
Md Moniruzzaman was withdrawn from his duty following an order of the Election Commission, said Harun-ur-Rashid, superintendent of police of Narayanganj.
It could not be confirmed why the move was taken.