Video app Tiktok is once again available to its users in the US after a brief interlude in which it shut down there. It went online following US President Trump's announced executive order to postpone a ban on the app. The US has a new law that categorises the service, which belongs to the Chinese company Bytedance, as a security risk and provides for its sale. Commentators reflect on the wider context.

Rıza Akpolat, mayor of the Beşiktaş district in the Turkish metropolis of Istanbul and member of the main opposition party CHP, has been arrested on charges that include bribery. President Erdoğan's government has repeatedly taken tough action against opposition politicians. Turkish media see this as another case of a politically motivated move.

Donald Trump will be inaugurated as President of the United States for the second time today. Due to freezing temperatures, the swearing-in ceremony is to take place inside at the Capitol Rotunda instead of outside, as is usually the case. Commentators see a turning point and discuss the prospects for the US and the rest of the world.

The student protests in Serbia continue unabated. In reaction to dismal poll ratings, President Aleksandar Vučić has now suggested that the opposition request a non-binding referendum on his presidency - despite the fact that the country's constitution does not provide for this. The media see the move as an act of desperation.

A ceasefire between Israel and Hamas is to come into force in the Gaza Strip on Sunday. In the first of three phases, 33 Israeli hostages and hundreds of Palestinian prisoners are to be released in batches. Commentators discuss whether the agreement can bring lasting peace to the region.

Next week, US President Joe Biden will hand over the office of president of the United States to Donald Trump. In his final address to the nation, he warned that "an oligarchy is taking shape in America of extreme wealth, power and influence that literally threatens our entire democracy." Commentators take stock of his four years in office.

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