'Terrible tragedy': Twitter reacts to assassination of Ali Raza Abidi.

Soon after the news of former MQM-Pakistan MNA Syed Ali Raza Abidi's assassination started making rounds, a number of political leaders, senators and government authorities took to Twitter, condemning the targeted killing and condoling the sad demise.

Abidi was shot dead by unidentified assailants in Karachi's upscale Defence Housing Authority (DHA) neighbourhood on Tuesday.

According to his Pakistan Tehreek-e-Insaf's Official Twitter account, Prime Minister Imran Khan expressed his grievance over Abidi's murder and called for an immediate inquiry into the matter.

State Minister for Interior Shehryar Khan Afridi also expressed his sadness over the demise of 'dear colleague and brother Ali Raza Abadi'.

He further said that efforts will be put in place to ensure that the killers will be brought to justice.

I am deeply saddened with the untimely demise of our dear colleague and brother, Ali Raza Abadi. May his soul rest in peace and give solace to his family and friends.

All efforts will be put in place to ensure that killers are brought to justice IA.

- Shehryar Afridi (@ShehryarAfridi1) December 25, 2018

Senior PML-N leader Ahsan Iqbal termed former MQM-P leader's death a 'terrible tragedy', adding, 'Violence in politics is an unforgivable crime.'

Very sad on this terrible tragedy. May Allah bless his soul and Grant patience to his family and friends Ameen! Violence in politics is unforgivable crime. We have to collectively counter violent extremism. https://t.co/O3qumFvVz9

- Ahsan Iqbal (@betterpakistan) December 25, 2018

PPP Senator Saeed Ghani lamented Abidi's untimely demise and said that he 'was about to join PPP before 2018 general elections'.

Really sad to hear about Ali Raza Abdi @abidifactor. Had many meetings with him which we both didn't share with media. He was about to join PPP before GE 2018.

May God give their parents courage to bear this irreparable loss.

Inna lilahe wa ina ilehe rajeoon pic.twitter.com/Gm16DcxQjn

- Senator Saeed Ghani (@SaeedGhani1) December 25, 2018

Former member of the National Assembly Bushra Gohar expressed her shock over losing 'one of the sanest politicians in Pakistan'.

Shocked!!! Gone too soon...#RazaAliAbidi was one of the sanest politicians in #Pakistan - his death is a huge loss. Security failure has become an accepted norm. There will be no accountability-so continue with positive reporting as ordered by #DGISPR #RestInPeace @abidifactor https://t.co/rpmgAk1Csu

- Bushra Gohar (@BushraGohar)...