Uncertainty has grown over detained elected leader Aung San Suu Kyi's whereabouts, with local media reporting she had been moved from house arrest to an undisclosed location.
Students had pledged to join the daily protests and strikes that have been ongoing for roughly three weeks, but police blocked the gates of the campus.
Crowds in the country's biggest city, Yangon, gathered after supporters of the Civil Disobedience Movement called for people to unite on Monday.
Mourners silently raised their hands in three-fingered salutes — a sign of defiance and resistance adopted from neighbouring Thailand.
At least five people were injured by rubber bullets and had to be carried away in ambulances, according to an Associated Press journalist who witnessed the violence.
Mya Thwet Thwet Khine, who was shot during a demonstration in the capital Naypyitaw, had been on life support at a hospital with what doctors had said was no chance of recovery.
Adding to the diplomatic pressure, Japan said it had agreed with India, the United States and Australia on the need for democracy to be restored quickly after the Feb. 1 takeover.
Foreign Minister Marc Garneau released a statement calling for the "restoration of the democratically-elected government" and "to release those who have been unjustly detained".
Despite junta appeals for civil servants to return to work and threats of actions if they do not, there has been no sign of the strikes easing.
The military seized power on Feb. 1, the day newly elected parliamentarians were supposed to take their seats.
The protests are taking place in defiance of an order banning gatherings of five or more people.
A small crowd began gathering outside the central bank early on Tuesday to press staff there to join a civil disobedience movement.
Large demonstrations were held in the major cities of Yangon, Mandalay and the capital, Naypyitaw, as well as in far-flung areas dominated by ethnic minorities.
Anger in Myanmar has been fuelled by videos showing more arrests of government critics, including a doctor who was part of the civil disobedience movement.
The protesters are unlikely to be swayed by Min Aung Hlaing's call for unity, which come on the national holiday known as Union Day.
Protesters gathered across the country for a sixth straight day on Thursday.
Protesters returned to the streets of Myanmar’s capital Naypyitaw on Wednesday after the most violent day yet in demonstrations against a coup that halted a tentative transition to democracy under elected leader Aung San Suu Kyi. The United ...
The Feb. 1 coup and detention of elected civilian leader Aung San Suu Kyi has brought four straight days of protests across the Southeast Asian country of 53 million.
Starting with a few hundred people, the crowd in Yangon exceeded a thousand by midmorning and cars passing by honked their horns in solidarity.