Nearby homes were evacuated as a precaution, police say.
A pedestrian is in a serious condition in hospital after being run over by a transit van.
The food was discovered before it was eaten and investigations are continuing, police say.
A town hall was burnt down in 1919 as people protested against a range of post-WW1 problems.
The former 1930s council house will support 420 families a year and has five bedrooms.
Championship side Luton Town sign Croatia goalkeeper Simon Sluga for a club record fee of more than €1.5m (£1.34m).
Wycombe Wanderers signed Northern Ireland striker Paul Smyth on a season-long loan from Queens Park Rangers.
St Albans and Harpenden Review
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