Muttahida Qaumi Movement (MQM), Chief Altaf Hussain strongly condemning the killing of Central Secretary General, Balochistan National Party (Mengal) Habib Jalib Baloch, has expressed deep sorrow and grief over the incident. He said he shares the grief of the bereaved family, BNP leaders and workers and expresses complete solidarity with them over the incident, said a statement issued by MQM here on Wednesday.