Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 3 years ago

Bismihi ta'ala

Imam Husain (a.s.), the grandson of the Prophet of Islam (s.a.w.) was beseiged in the plains of Karbala, Iraq, and innocently killed along with some of his family members and companions. 

Should you wish to read further about this topic, please refer to these following links:

https://www.al-islam.org/library/imam-al-husayn-and-karbala

And:

https://whoishussain.org/who-is-hussain/the-full-story/

Wassalam