Islamabad: Pakistanis began voting on Monday in general elections under tight security and fears of violence.

Here's a timeline of events during the elections.

2pm: A stray bullet hits a woman and injures her critically in Rawalpindi's Chaklala ara.

Police arrest two men for trying to cast bogus votes in PS-74 in Dadu district.

Rangers are called in NA-216 in Ranipur after a clash between rival groups.

The Election Commission of Pakistan postpones election in PP-154 where PML-N candidate Chaudhry Asif Ashraf was killed

Government sends fresh contingents of police and rangers in all districts of Punjab to control security situation

12:45pm: Polling process is peaceful in Islamabad and Rawalpindi where long queues of voters are seen in front of polling stations.

Voting started late at many polling stations due to the late arrival of the polling staff or lack of arrangement, particularly in Peshawar.

12:30pm: A bomb explodes in a jeep parked near a polling station in Sawat, followed by heavy firing. Polling rate very slow.

12pm: Nawaz Sharif and Shahbaz Sharif vote at a polling station in Islamia College at Railway Road in Lahore

11am: A man snatches some 67 ballot papers of national and provincial assembly from a presiding officer in NA-52 Rawalpindi. He managed to escape.

Police resort to baton charge near Inter College in Narang Mandi Lahore to disperse two rival groups fighting with each other.

A landmine blast injures five people, including two children, in Kohlu distinct in Balochistan.

Voting stopped at Sony polling station in NA-204 and PS-57 in Larkana following a scuffle between rival groups.

10am: One person killed and several injured when groups opened fire on rivals

A presiding officer died of heart attack in Khairpur district of Sindh Province.

9:15am: Shamsul Qamar, an independent candidate from NA-34 and PF-95 in Dir district, dies of heart failure.

9:00am: A group of voters protest in front of a Rawalpindi polling station when many of them could not find their entries in the voter's lists. Security forces later disperse them peacefully.

Supporters of PPP and PML-Q clash in NA-99 in Gujranwalla.

Two people died in a bomb explosion in Kashmor

Unidentified gunmen snatch away 600 ballet papers from the polling staff at a polling station in Shikarpur district in Sindh.

Firing between rival groups reported from NA-100 in Gujranwall in Punjab Province.

Other developments

- Poll stations opened at 8am at 64,176 polling stations across the country. Supports of the candidates have also been providing transportation to voters, particularly women.

- Candidates set up their decorated camps near the polling stations, manned by their workers to assist the voters.

- Pace of voting is slow on Monday morning since most people are wary of the security situation. Party workers are confident of increased number of voters at around midday.

- Four polling stations in NA-116 Sialkot, Punjab, have been set up in tents due to unavailability of proper buildings.

- Around 56 Pakistani television channels and international media from across the world have been covering the elections.

- Reports of violence across Pakistan, with scores of people killed and injured.