Supporters of Pakistan’s main opposition leader Imran Khan Tuesday clashed with police outside his home as officers try to arrest him.
Police fired tear gas shells to disperse the supporters, who threw stones and bricks.
There is a tense situation outside the compound, in the city of Lahore, as police try to force their way in.
He is facing allegations he unlawfully sold state gifts while in office. He says the case is politically motivated.
Police have made previous attempts to arrest him, but Mr. Khan, 70, told the BBC he thought they were determined to put him behind bars this time.
“I’m mentally prepared that I’m going to be spending my night in a cell,” he said. “I don’t know how many nights, but I’m all prepared for that.”
The former prime minister appeared in front of what he said were canisters of tear gas, which he said had been fired into the compound of his home.
He said the authorities were trying to arrest him to stop his party from taking part in forthcoming elections.
But he added: “Whether I am in jail or not they will not be able to stop my party from winning.”
His supporters are also holding protests in other cities.
Mr. Khan was ousted as prime minister last April but has kept up the pressure on his successor Shehbaz Sharif with demonstrations and regular speeches, calling for elections due later this year to be held early.
He blames Mr. Sharif for an assassination attempt at a rally in November that saw him wounded in the leg.