Top 10 world news today: Side-effects of COVID vaccine shot, Joe Biden calls Asian allies and more

After Pfizer's claim that the COVID-19 vaccine is more than 90% effective based on initial trial results, a few volunteers said that they suffered side effects comparable to a flu jab, with one comparing them to "a severe hangover".

Fighting between Azerbaijan and Armenia erupted on September 27 as the Minsk group comprising of Russia, United States and France intervened to stop the fighting.

The Indian government has directed Twitter to explain within five days why legal action shouldn't be taken against it for disrespecting India's territorial integrity by showing Leh as part of Jammu and Kashmir instead of Union Territory of Ladakh.

Bill Gates appreciated Johnson's measures and efforts, and said he is happy that someone is thinking about chalking out a 'global approach' to 'health security'.

The group also revealed that they met regularly to plan the attacks, and the meetings were usually moderated by two main suspects.

Sunni Muslim Saudi Arabia and Shi'ite Iran are locked in a decades-long struggle for influence across the region, supporting opposing sides in conflicts from Syria to Yemen.

In his conversation with Japanese Prime Minister Yoshihide Suga, the latter told Biden about the 'increasingly severe' security situation in the region.

Maryam Nawaz said in an interview that she has been to jail twice and if she revealed the details about the treatment meted out to her and other female inmates during detention, then Imran Khan's government will find no place to hide its face.

The monks in Thailand have been asked not to join anti-government protests that have erupted in the country for several months against Prime Minister Prayuth Chan-ocha and King Maha Vajiralongkorn.

Plasma, which is one of the four basic states of matter, can be produced by heating a stable gas or subjecting it to a strong electromagnetic field.