Buckley arrives at the SKYex on an initial month`s loan from Vanarama National League South side Weymouth.

The 23-year-old joined the Terras in the summer of 2017 from AFC Bournemouth.

He had been in the Cherries set-up for many years and had spells out on loan to clubs such as Aldershot Town and Eastbourne Borough.

Donnellan (pictured) returns to United for a second spell from Southern Premier Division Central outfit Hitchin Town.

The 21-year-old originally joined Hayes & Yeading in March 2017 on loan from National League side Dagenham & Redbridge, earning a Southern League Cup winners medal at the end of that season.

He was a regular member of the Queens Park Rangers under-18 side, his performances earning him a call up to the Republic of Ireland under-18 squad for a double header against the Czech Republic.

He joined the Daggers in the summer of 2016 and also had a loan spell with Hendon, then in the Isthmian Premier.

After leaving Dagenham he had a short spell with Maidstone United before joining Hitchin at the start of the current campaign