The Bangladesh Nationalist Party (BNP)-led 18-party opposition alliance, with fundamentalist Jamaat-e-Islami being a major partner, set at least one truck ablaze and damaged several other vehicles alongside exploding bombs with activists appearing on streets for brief periods evading security vigils, witnesses and police said.
But, reports said, a huge number of commercial and private transports plied on the street as Rapid Action Battalion (RAB) personnel and police enforced a sharp vigil.
Dudu reiterated threats to boycott the next general elections slated for early next year unless the ruling Awami League arrange a non-party interim government for overseeing elections.
This was the fourth such shutdown in the past 25 days while the BNP and Jamaat earlier called the stoppage also for protesting what they called police atrocities on activists of newly floated radical Hefazat-e-Islam and the death penalty by a tribunal to one of the Jamaat stalwarts for 1971 "crimes against humanity" siding with Pakistani troops.
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Awami League general secretary Syed Ashraful Islam said the government even could amend the constitution to solve the crisis.
The developments came as the UN earlier this month called Hasina's dialogue offer to be a good "starting point" to resolve the impasse but feared the failure to reach quickly a consensus could invite another military intervention.
UN assistant secretary general Oscar Fernandez-Taranco, who visited Dhaka as a special envoy of the UN secretary general Ban-Ki-moon, warned that the "history of Bangladesh" suggested what the consequence could be unless the political leadership could resolve their differences through a constructive dialogue on the electoral system.
Earlier, Awami League insisted that the caretaker administration proved counterproductive in the past as the army intervened taking the advantage of the system while entrustment of non-elected people with temporary state power was contrary to constitution and democratic spirit.