The state has taken over municipalities which the HDP had hitherto run.

In June, HDP success at the polls denied Erdoğan his parliamentary majority.

Ten other HDP lawmakers were also detained, although some were later released.

The HDP governs many cities in the mainly Kurdish southeast of Turkey.

The HDP denies the charges and Demirtas said he was unjustly jailed.

Expectations of, and confidence in, an HDP victory are high in Batman.

The HDP entered parliament for the first time in June's inconclusive elections.

Several HDP members and parliamentary candidates are among the victims of the attack.

Facebook Twitter Pinterest Supporters of the HDP celebrate after the result became clear.

Opposition parties get far less coverage, and pro-Kurdish HDP almost none.

It was not possible to verify either the military's or the HDP's figures.

Demirtas said the HDP could have done more to save the peace talks.

Prosecutors launched an investigation against the HDP's co-chairs over their comments.

Turkey also accuses the HDP of close links to the PKK.

Earlier this week, assailants fired on an HDP campaign vehicle, killing its driver.

Three other HDP lawmakers were being investigated over similar charges, the news agency said.