Mr. Szczesniak said the miners applauded the 44-year-old Solidarity founder on his arrival, but the discussion quickly turned bitter and ended in charges of betrayal.

The decisive vote came this afternoon after an impassioned plea by the Solidarity founder, Lech Walesa, to the 500 or so strikers holding out.

Solidarity is deeply split, with some of its members passionately denouncing Lech Walesa, the Solidarity founder, and others backing him as Poland's natural leader.

Lech Walesa, the Solidarity founder, pledged to "undertake every possible move" to support the Government.

Mrs. Thatcher is to meet with Lech Walesa, the Solidarity founder, on Friday.

"We strike on," Lech Walesa, the Solidarity founder, was said to have told a rally that voted down the management offer.

Lech Walesa, the Solidarity founder, said topday that the union "fully supports" the strikes.

On Tuesday, Senate Democratic leaders announced that they were inviting Lech Walesa, the Solidarity founder, to address a joint session of Congress.

Lech Walesa, the Solidarity founder, told a vast audience of Polish-Americans today that they should not be afraid to acknowledge a troubled historical relationship with Poland's Jews.

In a televised debate with the head of the official trade unions, the Solidarity founder insisted that Poland's economic problems could be resolved only by returning to a pluralistic system.