Michael Dokes won the World Boxing Association heavyweight championship tonight by stopping Mike Weaver at 1:03 of the first round, after which the fighters became involved in a brawl between members of their entourages and security men.

Later, Weaver called the fight "a fix."

"I'm saying this was a setup, definitely a fixed fight," said Weaver. "Anyone who saw the fight and has any common sense knows the fix was on. That's why he was a 3-1 favorite all week -- because people knew what was going on."

Don Manuel, Weaver's manager, said he would ask the WBA to declare the fight no contest and reschedule it in 30 days.

Dokes knocked Weaver down, then stopped him with a barrage of punches to the head as the champion was trapped along the ropes.

"They shouldn't have stopped the fight," said Weaver, 30. "He didn't hit me with any solid shots."

Weaver said he was not hurt in the fight, but "I am very hurt now."

When referee Joey Curtis signaled the fight was over, a technical knockout, Dokes leaped into the air, then fell to the canvas, apparently overcome by emotion as a sellout crowd at the 4,500-seat Caesars Palace Sports Pavilion loudly booed the quick ending. Many also shouted "fix."

Ring announcer Chuck Hull said he was told not to announce "the new WBA heavyweight champion, Michael (Dynamite) Dokes," because of fear the announcement would touch off a riot.

When Dokes got back to his feet, he started toward Weaver's corner. Someone in Weaver's corner threw a punch and a brawl began between the two sides and security men, with much pushing and shoving but no injuries.

The fight was promoted by Don King and Dokes' victory ties King to both halves of the heavyweight championship. King also promotes unbeaten Larry Holmes, who, at 33, is nine years older than Dokes.

Weaver said he thought the death of Duk Koo Kim, who was fatally injured in a fight against WBA lightweight champion Ray Mancini here Nov. 13, influenced Curtis' decision to end the fight quickly.

"I wasn't going to have another Duk Koo Kim," said Curtis. "You are not going to see anybody killed, not in my fights."

Both ring physician Donald Romeo and Roy Tennison, executive secretary of the Nevada State Athletic Commission, said Curtis stopped the fight too quickly. Tennison said the commission would recommend a rematch, adding, "We're basing our decision on Weaver's reaction. I sat right here no more than three feet from him and Weaver knew exactly what he was doing. He looked real sharp to me."

"I'll give him a rematch," Dokes said of Weaver. "I get paid the same whether I fight 30 seconds or 30 minutes."

Weaver was making his third defense of the title he won on a 15th-round knockout of John Tate March 31, 1980. Weaver is 24-10 with 16 knockouts. Dokes is 26-0-1, with 15 knockouts.