QUETTA - Rampant riots that hit Balochistan after the murder of three Baloch nationalist leaders remained continued on fourth consecutive day Sunday, leaving a police constable dead and several others wounded. Banks, vehicles and government offices were set on fire in different towns and a complete wheel-jam and shutter-down strike paralysed life in Balochistan. The strike call was jointly given by all Baloch nationalist parties including Baloch National Front, Baloch Republican Party, Balochistan National Party, National Party and was supported by Pashtunkhwa Milli Awami Party, PML-N, JUI-F, Hazara Democratic Party, Balochistan Traders Association and others. All shops and business centres remained closed on Sariab Road, Brewery Road, Liaquat Bazaar, Jinnah Road, Joint Road and other areas in Quetta. Angry mob blocked various roads of the city by burning old tyres and erecting barricades. The furious protestors took streets and set a branch of Allied Bank on fire in Hazarganji area and burnt two vehicles on Sabazal Road while three people were reportedly injured on Sariab road in exchange of firing between police and unknown people. Due to timely action, fire was extinguished and bank was saved from complete destruction by fire-brigade, said a police official. Different groups of protestors pelted stones on vehicles in different areas due to which screens of several vehicles were broken while police resorted to tear gas to disperse the protestors. Strict security arrangements were made in provincial capital where police backed by Frontier Corps and Balochistan Constabulary were deployed in different areas to avert any untoward incident while police and FC continued patrolling in the city to maintain law and order. Wheel-jam strike was also observed in Mastung, Kalat, Khuzdar, Nushki, Dalbandin, Kharan, Awaran, Turbat, Mach, Panjgur, Soorab, Nowkondi, Taftan, Hub, Gwadar and Pasni, Dera Murad Jamali and others towns. Protesters blocked the Quetta-Karachi highway at two places in Mastung. Pak-Iran and Quetta-Sibi national highways were also blocked in different areas. Due to blockade of highways, Balochistan remained disconnected with other parts of the country via roads. Furious people took out a protest rally in Awaran and set the NADRA office on fire. Unknown armed people targeted a security checkpost in Soubat Pur area with heavy weapons. As a result, a security personnel identified as Muhammad Hanif was killed and another seriously wounded. The injured and deceased were shifted to the hospital. Angry mobs set on fire office of Building and Roads department in Panjgur. All records were burnt while a police personnel received bullet injuries by the firing of unknown people. Police used tear gas and aerial firing to disperse protestors and arrested five activists of Balochistan National Party, including district President Kifayatullah. A shutter-down and wheel-jam strike was observed in Hub the industrial town of Balochistan where workers of different parties burnt tyres to block national highway and took out rallies. Police fired tear gas shells and arrested ten people on charges of ransacking government buildings. Unruly mobs also set a hostel of Model High School in Turbat and torched a utility store, office of NADRA and a bank in Boleda tehisl of Kech district. Addressing a press conference in Panjgour on Sunday, National Party President Senator Dr Abdul Malik Baloch said that the judicial inquiry committee is an attempt to provide safe passage to responsible persons and demanded of the United Nations to probe into the brutal murder of Baloch leaders. He criticised President Asif Ali Zardari for rejecting the alleged involvement of government agencies into the killing and, saying that the incumbent government was also pursuing the policies of former President Pervez Musharraf. UC Nazim Turbat Absar Akhtar Shahwani, UC Nazim Nairabad Mansoor Rind and Naib Nazim Kambeel Abdul Khaliq Dashti resigned from their offices as a protest against the murder of the Baloch leaders. According to an announcement of education department, all educational institutes in Balochistan would remain closed till April 15 (Wednesday) in the wake of protests in the province. Meanwhile, windows of Vice-Principal Degree College Quetta Jamshed Muhammads residence were smashed after unknown men hurled a handgrenade in jurisdiction of Satellite Town police station on Sunday night police officials said. They said that two unidentified men riding a motorcycle hurled the handgrenade in the residence located in CGS Colony in Satellite Town which went off with loud explosion. The perpetrators after throwing the grenade fled from the scene. Moreover, unknown men also hurled a hand grenade in office of private computer company, which exploded, in Jinnah Town, in jurisdiction of Saddar police station. Resultantly, windows of the office and nearby houses were smashed, the police officials added. They said that no one was hurt as result of the grenade explosions.