Carmarthen East and Dinefwr AM Rhodri Glyn Thomas raised concerns after receiving 10 letters of objection.
Jonathan Edwards, MP for Carmarthen East and Dinefwr, had earlier given his backing to Mr Shazhad.
Mr Thomas will have represented Carmarthen East and Dinefwr for 17 years by the next election in 2016.
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Rhys, 36 at the time of the battle, had succeeded to his family's estate in Dinefwr in Carmarthenshire.
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Carmarthen East and Dinefwr MP Jonathan Edwards claimed local opinion and genuine concerns about the project had been "dismissed".
Mr Michael can only become a member if Labour loses the marginal Carmarthen East and Dinefwr to Plaid Cymru.
Rhodri Glyn Thomas, AM for Carmarthen East and Dinefwr, said villagers elsewhere should take notice of what had happened in Llanmynydd.
Carmarthen East and Dinefwr MP Mr Edwards said he was referring the article to the Press Complaints Commission and to the police.
Rhodri Glyn Thomas, AM for Carmarthenshire and Dinefwr, said promises that carcasses would not be taken through the county had been 'reneged'.
Today, Plaid Cymru have unveiled their version, with Carmarthen East and Dinefwr MP Jonathan Edwards going beyond the party's traditional focus on constitutional change.
Wrth gyfrannu i'r ddadl, dywedodd Rhodri Glyn Thomas, AC Dwyrain Caerfyrddin a Dinefwr, ei fod am weld gwasanaethau cynhwysfawr yr heddlu yn cael eu diogelu.
For example, in Carmarthen East and Dinefwr, the result will determine the political future of Mr Michael, although he is not even a candidate in the seat.
Plaid director of elections Adam Price, MP for Carmarthen East and Dinefwr, said that if agreed, it would be used at the next contested election for both posts.
Plaid Cymru AM Leanne Wood, and Jonathan Edwards, the new Carmarthen East and Dinefwr MP, urged "left-leaning or disillusioned Liberal Democrat supporters in Wales to switch their allegiance".
Jonathan Edwards, MP for Carmarthen East and Dinefwr, has backed the teenager's bid to stay in the UK, describing it as a "clear moral case to support Ahmer's application for asylum".
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