Police in the Westcountry say officers were coughed and spat at over the weekend - adults took kids into parks and closed businesses have been broken into.
Officers arrested a 26 year old woman after being called to a house party in Bridgwater on Saturday night while police in Devon warned they were called to reports of adults - with children - breaking into parks.
In Newton Abbot two businesses were broken into, which currently can't trade due to Covid-19.
A spokesperson for Brixham Police said: "We have been conducting patrols and had to move a number of children and adults off play equipment.
"In line with the Prime Minster’s announcements, to slow the spread of Covid-19 and to reduce the burden on the NHS, all play parks across the whole country are now closed.
"We have already had reports of adults breaking into our parks and letting their children play on the equipment.
"Closure of play parks is to save lives.
"The cleanliness of parks cannot be guaranteed. Please do not use play equipment in public parks until further notice from Torbay Council."
A spokesperson for Newton Abbot Police said: "Two local businesses have been broken into.
"These are independent businesses which can't trade at present due to the covid-19 restrictions so this will hit them hard.
"@NHPnewtonabbot have one in custody this morning and inquiries continue."