The reclusive supreme leader of the Afghan Taliban, Haibatullah Akhundzada, joined religious leaders from around the country in the capital, Kabul, on Friday at a meeting with a focus on national unity, the state news agency said.

The Bakhtar News Agency confirmed that the leader, who is based in the southern city of Kandahar, was attending the meeting of more than 3,000 male participants, and it said he would deliver a speech.

As the Islamist movement unveiled its interim government in September after US-led foreign forces withdrew and a US-backed government collapsed, the mysterious Akhundzada retained the role he has held since 2016 of the supreme leader, the group’s ultimate authority, but he is rarely seen publicly.

The Kabul gathering began on Thursday under tight security.

At one point, sustained gunfire erupted near the venue, which Taliban spokesmen said was the result of security men firing at a “suspicious location”, adding that the situation was under control.

At least one participant had called for girls’ high schools to be opened but it was not clear how widespread support was for that proposal.

Deputy Taliban chief and acting interior minister Sirajuddin Haqqani addressed the meeting on Friday, saying the world was demanding inclusive government and education.

“This gathering is about trust, interaction, we are here to make our future according to Islam and to national interests,” he said. The Taliban went back on an announcement that all schools would open in March, leaving many girls who had turned up at their high schools in tears.