Dhaka: Home Minister Asaduzzaman Khan Kamal on Sunday said there is no security threat following the killing of lawmaker Manjurul Islam Liton.

"The government is not alarmed about security issue in Bangladesh as law enforcers are working to identify killers of Liton," he told reporters at his ministry office.

The minister assured that law enforcers would find out the terrors, who killed Liton at his house in Gaibandha yesterday evening, and bring them to book, reports news agency BSS.

"We are working considering all sorts of possible issues to ensure security across the country," he said adding that this is the first such of attack and it was a new technique that a group of five terrors equipped with firearms entered into a MP's house and killed him.

The minister said the government would arrest killers within short time and unearth the mystery behind the murder.

He said police in several drives detained a total of 18 suspects, in connection with the killing of ruling party lawmaker Liton, for interrogation.

After shooting MP Liton at close range, the miscreants left the place hurriedly by a motorcycle. Then, Liton was admitted to Rangpur Medical College Hospital, where the attending doctors declared him dead, the minister said.

Replying to a query on foreign intelligence information about terrorist attacks in the country, he said that the law enforcers are working on it.

Another question of miscreant attack on a local Awami League leader in Khulna yesterday, the minister said police arrested one person in connection with the firing on ZA Mahmood Don, but a woman-Shipra Kundo was killed in the fire in Khulna yesterday.

The arrestee was Electric Babu, who supplied a pistol for killing Don, he added.

Earlier, the home minister extended new year greetings to countrymen adding, "Let the new year bring happiness, peace and prosperity for all of us."

An autopsy was conducted on the body of the slain lawmaker at Rangpur Medical College Hospital (RMCH) at about 11:00pm on Saturday, said Dr Bimal Chandra of RMCH.

Miscreants shot ruling Awami League lawmaker from Gaibandha-1 (Sundarganj) constituency Manjurul Islam Liton dead in a gun attack at Bamandanga village in Sundarganj upazila on Saturday.

Doctors declared the child-shooter MP dead at about 7:30pm, 15 minutes after he was rushed at the Rangpur Medical College Hospital (RMCH) with two bullet wounds in the chest from his home at Sundarganj.

Gaibandha police said two unidentified men shot Liton from a close proximity at his village home at Masterpara near Bamondanga railway station as they appeared at the scene mounting on a motorbike at about 6:00pm, saying they wanted to meet him.

Soon after the incident people at the neighbourhood particularly the Awami League activists staged protests blocking the railway line at Bamondanga station.

Gaibandha district administration deployed Border Guard Bangladesh (BGB) members in several points of Sundarganj upazila to ward off any untoward incident.

Meanwhile, Sundarganj upazila Awami League enforced a day-long hartal from Sunday morning in the upazila protesting the murder.

The agitated leaders and activists of Awami League blocked two trains at Bamandanga Railway Station in the morning.

Goalm Mostafa, general secretary of Sundarganj upazila unit of Awami League, said they called the day-long hartal at about 12:30am on Sunday demanding immediate arrest of Liton’s killers.

The namaz-e-janaza of MP Liton will be held at 10:00am on Monday at the South Plaza of Parliament, said a Parliament Secretariat handout.

From the Parliament complex, his body will be taken to Gaibandha for his burial in his family graveyard at 4:00pm.

Liton hit headlines after shooting a minor boy, Sourav, 8, son of Sazu Miah of Gopalcharan village in the upazila, on October 2, 2015.