Complex sentence: Bombs were placed in Shoplatch, The Charles Darwin Centre and Shrewsbury Castle, the latter causing the most damage as the castle housed the Shropshire Regimental Museum and many priceless historical artifacts were lost and damaged by fire and smoke.
Split into simpler sentences: Bombs were placed in Shoplatch, The Charles Darwin Centre and Shrewsbury Castle. The latter causing the most damage as the castle housed the Shropshire Regimental Museum and many priceless historical artifacts were lost and damaged by fire and smoke.