The human chain is the latest creative demonstration in nearly three months of rolling protests which have tipped Hong Kong into an unprecedented political crisis.
Since the Gaza demonstrations began in March last year, Israeli forces have killed nearly 270 protesters and wounded thousands.
The protest was organised by groups of Romanians working abroad, angry at what they say is entrenched corruption, weak public administration and attempts by the ruling coalition to weaken the judiciary in one of the EU's most corrupt states.
A rally was called for Sunday afternoon at Chater Garden, an urban park in the financial district, a day after clashes led to 11 arrests and left at least two dozen injured in Yeun Long.
Men in white t-shirts, some armed with poles, stormed a subway station and attacked passengers. Witnesses said the masked men were attacking people that had been at the anti-government march.
The protestors are worried but also hopeful for their future as they band together and support each other while camped outside the Defence Ministry.
The head of Algeria's Constitutional Council stepped down after weeks of facing the ire of protesters, state TV reported.
The anti-government sit-in outside the military compound has continued since April 6. The new military rulers are facing increasing pressure to hand power to a civilian government after a coup against Omar al Bashir.
The protests, which entered the seventh week, managed to force Abdelaziz Bouteflika to resign as president. Abdelkader Bensalah, a key ally of Bouteflika has been named the interim president for 90 days.
Demonstrators gathered in the capital's Plaza de Colon, waving Spanish flags. They chanted slogans in favor of the nation's security forces and for Prime Minister Pedro Sanchez to resign.
Protesters are angry about skyrocketing inflation and the government's failure to prosecute embezzlement from a multi-billion Venezuelan program that sent discounted oil to Haiti.
Hassan Shalabi, 14, and Hamza Ashtiwi, 18, were killed by the Israeli army's gunfire during the weekly protests near Gaza-Israel buffer zone, Gaza's health ministry said in a statement.
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