ISLAMABAD (Online)- Ashura was observed with reverence and solemnity in twin cities of Rawalpindi and Islamabad to commemorate the great sacrifice of Hazrat Imam Hussain (RA) for sanctity of Islam. Observance of this day symbolises unique sacrifice of the grand son of the Holy Prophet (Peace Be Upon Him) Hazrat Imam Hussain (RA) and his companions who embraced martyrdom in the blazing deserts of Karbala in Iraq. Tazia, Alam and Zuljinah processions were taken out in twin cities that after passing through their traditional routes terminated at the main imambargahs. Thousands of mourners walked in the processions and expressed their grief by wailing and beating their chests with hands and iron chains. In Rawalpindi, the main procession was taken out from Imambargah Col. Maqbool Hussain in the morning that after passing through its traditional route, terminated at Imambargah Qadeemi at Banni late in the night. Small processions were also brought out from Saddar, Satellite Town, Haideri Chowk, Raja Bazaar, Bhag Sardaran, Sadiqabad, Iqbal Road, Dhamial, Bakra Mandi, Tahli Mohri and Gulistan Colony but later merged into a main procession. Small processions started gathering at Markazi Imam Bargah in Sector G-6/2 in the morning from adjacent areas including Noorpur Shahan, Shahzad Town, Tarlai, Shah Allah Ditta and different areas. Later, a main procession was taken out from the Markazi Imam Bargah that passed through its traditional routes including Luqman Hakeem Road, Lal Quarters, 7th Avenue, Municipal Road, Melody and finally terminated at the Markazi Imam Bargah. Hundreds of participants observed 'Zanjir Zani' at Lal Quarters Chowk to commemorate Shuhada-e-Karbala's sacrifice. Religious scholars in their speeches highlighted the incident of Karbala and presented the picture of the battlefield between truth and evil. Later, Sham-e-Ghareeban majalis were held in which the faithful expressed grief at the treatment meted out to Hazrat Imam Hussain (God be pleased with him) and his relatives and companions. Thousands of people distributed 'Niaz' (food, milk, soft drinks and simple water) among the participants of the mourning procession. Health department of CDA had set up free medical camps and Imamia Students Organisation was also active in providing free medical assistance wherever required. All roads and streets leading to Markazi Imam Bargah were closed and even pedestrians were not allowed to sneak into the Imam Bargah through adjacent entries in Islamabad. Later, Sham-e-Ghareeban majalis were held in which the faithfuls expressed grief at the treatment meted out to Hazrat Imam Hussain (God be pleased with him) and his relatives and companions. Hundreds of police personnel, and members of elite forces were deployed in twin cities at Imambargahs and mosques to prevent any untoward incident. As a security measure, the administration had banned watching of procession from rooftops. Various volunteer organizations and scouts had also made arrangements of for mourning processions. Hospitals including Pakistan Institute of Medical sciences (PIMS), Federal Government Services Hospital (Poly Clinic), CDA Capital Hospital, Benazir Bhutto Shaheed hospital, Holy Family Hospital and Rawalpindi District Headquarter hospital remained high alert and ambulances of these hospitals including the district health office provided the medical cover to participants of the processions. Meanwhile Rawalpindi Police have arrested four suspects and recovered explosive material and heavy weapon from their possession during Youm-e-Ashur. City Police Officer (CPO) Rawalpindi Rao Iqbal when contacted confirmed the arrest of four suspects saying out of which two suspect carrying weapons and explosive material were arrested at Check Post during checking in Rawalpindi. The arrested suspects have no link with procession of Youm-e-Ashur in Rawalpindi and Taxila, he said. On the other hand, Police have arrested two people when they were making movie of Ashura mysteriously in Rawalpindi. After detail interrogation the arrested people were brought to city Police Station for further investigation.