Aberystwyth, Ceredigion

Up to 300 protestors, including pupils from Ysgol Penweddig and Penglais Comprehensive schools, gathered in the town centre at lunchtime.

Aberystwyth protesters 'died' in sympathy with war victims

Repeating sounds heard in Baghdad and Kuwait City on Thursday morning, a siren rang to signal the start and end of the demonstration.

Staging a "die-in", protestors lay in the street and on the central reservation at Lower Great Dark Street. One said: "Thousands of innocent people are going to die."

University staff and students were expected to form a human chain at Penglais Hill.

Bala, Gwynedd

Pupils from Ysgol y Berwyn protested against the war at lunchtime.

Protester Ben Gregory said: "This response is growing into quite a serious movement and we will continue to put pressure on the government."

Bangor, Gwynedd

A protest will be held near the town clock at 1200 GMT on Friday by the Bangor and Anglesey Peace and Justice group, which held a similar demonstration on Tuesday.

Bethesda, Gwynedd

At lunchtime, 80 pupils of Ysgol Dyffryn Ogwen protested against war in the school yard.

They held up banners and chanted anti war slogans during the half hour symbolic protest.

Bridgend

About 1,500 Brynteg Comprehensive School pupils left classes to sit in their school field.

Cardiff, City centre

Central Cardiff roads were blocked at lunchtime

Up to 300 people, mostly Cardiff University students, marched from their places of study to the main road outside Cardiff Castle at 1400 GMT.

Mobilised by Stop The War Coalition, they lay in the middle of the road at Kingsway and Duke Street, bringing parts of the centre to a standstill.

Ten Plaid Cymru AMs walked out of the Welsh Assembly building at Cardiff Bay and joined 50 other people outside the assembly's Pierhead Building for a 1200 GMT silent protest.

Carmarthen, Carmarthenshire

Protesters chained themselves together

Forty people from Aberystwyth Peace Network, CND Cymru, Cymdeithas y Cymod, Cymdeithas yr Iaith and Cynefin y Werin gathered at the Income Tax head office.

Fifteen were arrested for breach of the peace after several chained themselves to railing.

"Our taxes are linking us to the onslaught that is happening right now on the people of Iraq; we are horrified," said a spokesperson.

Caerphilly

About 8,500 staff at Caerphilly County Borough Council were given permission to walk out in protest against the war at 1200 GMT if they wished.

Llandysul, Carmarthenshire

Llandysul pupils walked out of school in protest

Traffic came to a stand-still as more than 100 Ysgol Uwchradd Dyffryn Teifi pupils, aged 14 to 18, walked out of school and marched through the town in a noisy anti-war demo.

They chanted anti-war slogans in Welsh to the sound of a drum-beat and sounded air-horns to mimic air-raid sirens.

They then marched around the town and then returned to school.

Rhondda Cynon Taf

Most of the 13,000 staff at the Rhondda Cynon Taf council were given permission to join in a 15-minute walkout at 1200 GMT.

Swansea, City centre

Up to 300 protestors joined a march toward Castle Square at lunchtime.

An estimated 350 pupils at Olchfa Comprehensive School staged classroom sit-ins after being stopped from joining a protest.

"There was a police riot van outside the school and teachers stood in the corridors to prevent us leaving our classrooms," said a year 10 pupil.