Debris that has washed onto the Jamaique beach in Saint-Denis is seen on the shoreline of French Indian Ocean island of La Reunion, August 3, 2015.[Photo/Agencies]

Saint-Denis, La Reunion - A piece of plastic debris was found Tuesday in the northern coast of French overseas Island La Reunion, where a wreckage suspected to be part of the missing MH370 was washed up last Wednesday, according to local media.

Local police arrived at the beach east of Saint-Denis and carried the item away.

According to a picture provided by a witness, the newly found debris was an approximate 30*30cm square frame, with all the Edges and corners round-shaped.

Local media said that it looks like a porthole frame of a plane.

However, nothing indicated that it has relation to a flight so far.

Reunion police didn't comment on the find.

The founder reportedly discovered another piece of metallic wreckage last Sunday at the same area, the local newspaper's website LINFO.RE reported.

However, that debris with two Chinese characters monogrammed on it, tested to be nothing to do with an aircraft.

The coastline of Reunion Island in the western Indian Ocean is being scoured for more debris that could be linked to missing Malaysia Airlines Flight MH370.

A high-level police source who want to be anonymity told Xinhua that the local police have been receiving dozens of debris-found reports since the finding of the first wreckage last Wednesday.

Further out across the ocean, authorities of other islands - Mauritius and the Seychelles - said they are on the lookout for items bobbing in the waves that might be from the lost jetliner.

The wreckage found last Wednesday and a luggage bearing burnt patch and bottles pickup one day later had been sent to France on Saturday for further investigation.

Experts identified the debris as a flaperon from a Boeing 777, but did not confimed if it is part of the Malaysian jet reportedly missing since 2014.

The missing flight, a Boeing 777-200, disappeared en route from Kuala Lumpur to Beijing on March 8, 2014, with a total of 239 people on board, most of them Chinese.