At least 66 people have died in the Venezuelan crisis since demonstrations began against President Nicolas Maduro more than two months ago.
The soldiers, who include colonels and captains, are being held in a prison outside Caracas, according to lists being circulated within the military.
Dubbed the “Shit March”, thousands of opposition supporters again poured onto the streets decrying Venezuela’s economic crisis and demanding elections.
The new weapon of excrement has been called the “Poopootov” in a play on the Molotov cocktails often seen at street protests in Venezuela.
Maduro is being called an autocrat with the opposition demanding elections to resolve Venezuela’s grave political crisis.
The wave of protests since early April against socialist President Nicolas Maduro have sparked Venezuela’s worst violence since 2014.
The unrest is Venezuela’s worst since 2014, when 43 people died in months of mayhem sparked by protests against Nicolas Maduro.
Protests and sit-ins against Maduro’s government continue amidst politically-motivated shootings and clashes as Venezuela faces a severe economic crisis.
Twelve people have been killed in a renewed wave of demonstrations this month in incidents primarily involving security forces or armed civilians.
Opposition leaders have promised to keep up their protests, demanding the government call regional elections that have been delayed since last year, free almost 100 jailed opposition activists and respect the autonomy of the opposition-led Congress.
A renewed wave of protests was sparked by a Supreme Court move to assume the powers of the opposition-led Congress and by barring Henrique Capriles from public office
The demonstrations were sparked by the Supreme Court’s attempt to take control of Venezuela’s opposition-led congress last week.
Protests also were staged in other cities and more are planned across the country for April 6.
Brazil, Argentina, Mexico, Colombia, Chile, Guatemala and Panama expressed strong concerns while Peru withdrew its envoy terming it a rupture of democracy.
The arrival of Tom Shannon, US Under Secretary of State for Political Affairs and an expert on Latin America, may help spur negotiations between the two sides.
Enraged by last week’s suspension of their push for a referendum to remove Maduro, thousands turned out in protest against him.
The opposition is calling on sympathisers from across the country to march in the capital to push for a recall referendum against President Nicolas Maduro.
A Datanalisis poll showed that more than three-quarters of those surveyed disapproved of Maduro’s tenure while 22.1% thought that he should finish his term.