Visitors might notice the new bicycle patrols and bomb-sniffing dogs, but other upgrades, including additional officer training and an e-mail notification system to alert state employees of an emergency, probably will escape attention. The changes were disclosed Tuesday by state leaders in a letter to the director of the Department of Public Safety, which is responsible for security at the Capitol. The leaders — the governor and the House and Senate presiding officers — were responding to an incident last month in which a man fired shots outside the Capitol after being asked to leave a senator’s office. But a plan to install metal detectors and X-ray machines in the building is still under discussion and is expected to be talked about at a legislative hearing later this month. DPS officials recommended the machines last month, but few details were released except to lawmakers in private briefings.

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