Owners who fail to socialise and obedience-train dogs at an early stage are fuelling "frightening" levels of problem behaviour in their pets, according to the report.
Children should be taught at school how to be good owners in the face of research showing "fundamental" gaps in knowledge about animal welfare, the PDSA said.
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The mother of the accused had a heart attack after hearing graphic details of the bloody Charleston massacre.
Donald Trump has discussed the "long-standing relationship between Scotland and the United States" in a call with Nicola Sturgeon.
Food prices will rise across the UK unless EU workers are allowed to remain as part of the Brexit negotiations, industry bosses have warned.