The constituencies include NA-123 Lahore, PP-82 Jhang, PP-284 Bahawalnagar and BP-25 Jaffarabad where the strict security measures have been adopted.

Some candidates leveled charges of riggings on their rival candidates in some places.

In Bahawalnagar area of Fort Abbas, the polling had to be discontinued as a result of dispute between the polling agents of different candidates in polling station-295.

Jamaat Islami?s hafiz Salman Butt and Pakistan Muslim League (PML-N) candidate Shahbaz Sharif came face to face at Lahore?s polling station-38, where the workers of both the parties raised slogans.

On this, police arrived on thespot to quench the slogans and confrontation. Police took Hamza in their cordon.

Talking to Geo News, Razia Sultana?Presiding Officer at Polling Station-126?said serial numbers are missing from the dozens of ballot papers, adding she told the same to Election Commission.

Government has announced public holiday on the occasion of by-polls in three constituencies including Bahawalnagar, Jhang and Jaffarabad.

Government and private educational institutions will remain closed in Lahore and Bahawalnagar for by-polls.

The Deputy Chairman of Senate Jaan Mohammed Jamali cast his vote in Jaffarabad

Meanwhile, Section-144 has been imposed in Jhang to maintain law and order situation during the polling.

According to Election Commission sources, 57 candidate are contesting constituency NA-123 of Lahore, vacated by PMLN-N?s Javed Hashmi. The constituency has 287,915 voters, for whom 268 polling stations have been set up. Of them, 25 have been declared as highly sensitive.

While 11 candidates including PPP and PML-N?s contenders are fighting for provincial assembly seat of PP-82 Jhang, vacated by MPA Azam Chaila, as the Supreme Court (SC) declared him ineligible on finding his degree fake. At least 126 polling stations were set up here for 153,800 voters in the constituency.

Moreover, PML-N has not nominated any candidate for PP-284 while PPP, Pakistan Muslim League- Quaid-e-Azam and Ijaz-ul-Haq?s party candidates will struggle for the provincial assembly seat.

The seat was vacated by independent candidate Rauf Khal, as the EC declared him ineligible on finding the charges of rigging against him true.

Three are at least 130 polling stations for 180,226 voters in the constituency.

The PB-25, Jafferabad in Balochistan was lying vacant after the MPA Rustom Khan Jamali was killed. At least 140,800 voters are casting their votes at 91 polling stations; of them, 34 are most sensitive and 29 sensitive.

From this constituency, the independent candidate Ataullah Bulaidi leveled rigging charges, saying that nearly 130 polling agents have been kidnapped.

The constituencies include NA-123 Lahore, PP-82 Jhang, PP-284 Bahawalnagar and BP-25 Jaffarabad where the strict security measures have been adopted.

Some candidates leveled charges of riggings on their rival candidates in some places.

In Bahawalnagar area of Fort Abbas, the polling had to be discontinued as a result of dispute between the polling agents of different candidates in polling station-295.

Jamaat Islami?s hafiz Salman Butt and Pakistan Muslim League (PML-N) candidate Shahbaz Sharif came face to face at Lahore?s polling station-38, where the workers of both the parties raised slogans.

On this, police arrived on thespot to quench the slogans and confrontation. Police took Hamza in their cordon.

Talking to Geo News, Razia Sultana?Presiding Officer at Polling Station-126?said serial numbers are missing from the dozens of ballot papers, adding she told the same to Election Commission.

Government has announced public holiday on the occasion of by-polls in three constituencies including Bahawalnagar, Jhang and Jaffarabad.

Government and private educational institutions will remain closed in Lahore and Bahawalnagar for by-polls.

The Deputy Chairman of Senate Jaan Mohammed Jamali cast his vote in Jaffarabad

Meanwhile, Section-144 has been imposed in Jhang to maintain law and order situation during the polling.

According to Election Commission sources, 57 candidate are contesting constituency NA-123 of Lahore, vacated by PMLN-N?s Javed Hashmi. The constituency has 287,915 voters, for whom 268 polling stations have been set up. Of them, 25 have been declared as highly sensitive.

While 11 candidates including PPP and PML-N?s contenders are fighting for provincial assembly seat of PP-82 Jhang, vacated by MPA Azam Chaila, as the Supreme Court (SC) declared him ineligible on finding his degree fake. At least 126 polling stations were set up here for 153,800 voters in the constituency.

Moreover, PML-N has not nominated any candidate for PP-284 while PPP, Pakistan Muslim League- Quaid-e-Azam and Ijaz-ul-Haq?s party candidates will struggle for the provincial assembly seat.

The seat was vacated by independent candidate Rauf Khal, as the EC declared him ineligible on finding the charges of rigging against him true.

Three are at least 130 polling stations for 180,226 voters in the constituency.

The PB-25, Jafferabad in Balochistan was lying vacant after the MPA Rustom Khan Jamali was killed. At least 140,800 voters are casting their votes at 91 polling stations; of them, 34 are most sensitive and 29 sensitive.

From this constituency, the independent candidate Ataullah Bulaidi leveled rigging charges, saying that nearly 130 polling agents have been kidnapped.

According to police, unknown militants hurled hand grenades on World Vision, an international NGO on Wednesday followed by firing killing six employees including two female of the organization on the spot.

He said that six people including two female were injured in the incident.

The dead included Kahkasha, Zaryab Yousaf, Jamshed, Liaqat, Muhammad Ayaz and Naeem whereas the injured include Khoshboo, Shahida Bibi, Qazi Ahsanullah, Imtiaz, Abid Naeem and Munir.

The wounded were rushed to Oogi hospital.

According to the police eight to ten militants attacked the NGO office.

The law enforcement agencies have sealed the entire area and started search operation for in outlaws in the area.

Meanwhile, Chief Minister NWFP Ameer Haider Khan Hoti has condemned the incident and expressed sympathies over the loss of human loss.

He also announced to compensate the affected families and reiterated his resolve to continue the fight against terror till the last militant was eliminated.

During his stay, Karzai will meet President Asif Ali Zardari and Prime Minister Yusuf Raza Gilani.

The visit will contribute towards further strengthening brotherly ties between Pakistan and Afghanistan and in deepening and broadening multifaceted cooperation, the Foreign Office statement said.