CLEVELAND, Ohio -- Cleveland City Council will consider another attempt to blunt the fury of unruly "flash mobs," one that sponsors hope won't be viewed as an assault on constitutional rights.

Legislation introduced Monday would outlaw inciting a riot and forbid the use of computers and cellphones to aid in the effort. Another proposal would list computers and cellphones as potential criminal tools. A third proposal would forbid rioting at a "community event, place or business, or any city of Cleveland property, facility or recreation area."

Sponsors Jeffrey Johnson, Zack Reed, Kevin Conwell and Michael Polensek want to prevent the use of Internet social-media sites like Facebook and Twitter to rally groups and cause disturbances. Incidents have been reported in the Cleveland area and across the country.

"We want to send a strong message that crimes committed by flash mobs are going to be pursued and prosecuted," Johnson said.

Council voted this year to specifically prohibit the use of social media to incite disturbances. The latest proposals differ in that they include flash-mob disturbances under the general heading of rioting and cell phones and computers on a general list of criminal tools.

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Mayor Frank Jackson vetoed the earlier legislation in August after critics called the measure vague, unenforceable and unconstitutional.

The American Civil Liberties Union of Ohio said the ban could violate the right to free speech and ensnare those who promote gatherings that unintentionally turn violent.

The veto was the first -- and so far only -- veto issued by Jackson since he took office in 2006. Jackson's spokeswoman, Andrea Taylor, said the mayor will reserve comment on the latest proposal until he, Chief of Staff Ken Silliman and the Law Department have a chance to review it.

Johnson said the sponsors hope to meet soon with the ACLU of Ohio to appeal for support. But James Hardiman, the group's legal director, said he doubted his organization would be more accepting of the latest proposal.

"My gut reaction is that Cleveland City Council is hell-bent on criminalizing the use of electronic media, media that that they have not been able to fully understand," he said. "If they understand it, they are ignoring its ramifications.

"They have laws on the books to cover this," he said. "For whatever reason, they are not satisfied. They are opening the door to potential lawsuits."

Maryland attorney Bradley Shear has followed Cleveland's battle against lawbreaking flash mobs. He has experience in social-media law, having helped draft a state law requiring politicians to clearly identify political websites and keep records of the content.

Shear said the new legislation remains flawed. He suggested that instead of writing and rewriting laws, Cleveland would be better off training police to monitor Internet activity for signs of trouble.

"It's still vague," he said after reading the proposals. "They have more work to do, in my opinion."

If the legislation becomes law, the maximum punishment would be six months in jail and a $1,000 fine.